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Sheard C, Stott L, Street SE, Healy SD, Sugasawa S, Lala KN. Anthropogenic nest material use in a global sample of birds. J Anim Ecol 2024. [PMID: 38525599 DOI: 10.1111/1365-2656.14078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 02/08/2024] [Indexed: 03/26/2024]
Abstract
As humans increasingly modify the natural world, many animals have responded by changing their behaviour. Understanding and predicting the extent of these responses is a key step in conserving these species. For example, the tendency for some species of birds to incorporate anthropogenic items-particularly plastic material-into their nests is of increasing concern, as in some cases, this behaviour has harmful effects on adults, young and eggs. Studies of this phenomenon, however, have to date been largely limited in geographic and taxonomic scope. To investigate the global correlates of anthropogenic (including plastic) nest material use, we used Bayesian phylogenetic mixed models and a data set of recorded nest materials in 6147 species of birds. We find that, after controlling for research effort and proximity to human landscape modifications, anthropogenic nest material use is correlated with synanthropic (artificial) nesting locations, breeding environment and the number of different nest materials the species has been recorded to use. We also demonstrate that body mass, range size, conservation status and brain size do not explain variation in the recorded use of anthropogenic nest materials. These results indicate that anthropogenic materials are more likely to be included in nests when they are more readily available, as well as potentially by species that are more flexible in their nest material choice.
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Affiliation(s)
- Catherine Sheard
- School of Earth Sciences, University of Bristol, Bristol, UK
- School of Biological Sciences, University of Aberdeen, Aberdeen, UK
| | - Lucy Stott
- School of Earth Sciences, University of Bristol, Bristol, UK
| | - Sally E Street
- Department of Anthropology, Durham University, Durham, UK
| | - Susan D Healy
- School of Biology, University of St Andrews, St Andrews, UK
| | - Shoko Sugasawa
- School of Biology, University of St Andrews, St Andrews, UK
| | - Kevin N Lala
- School of Biology, University of St Andrews, St Andrews, UK
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2
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Hauber ME, Nagy J, Sheard C, Antonson ND, Street SE, Healy SD, Lala KN, Mainwaring MC. Nest architecture influences host use by avian brood parasites and is shaped by coevolutionary dynamics. Proc Biol Sci 2024; 291:20231734. [PMID: 38196369 PMCID: PMC10777141 DOI: 10.1098/rspb.2023.1734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 11/27/2023] [Indexed: 01/11/2024] Open
Abstract
Brood (social) parasites and their hosts exhibit a wide range of adaptations and counter-adaptations as part of their ongoing coevolutionary arms races. Obligate avian brood parasites are expected to use potential host species with more easily accessible nests, while potential hosts are expected to evade parasitism by building more concealed nests that are difficult for parasites to enter and in which to lay eggs. We used phylogenetically informed comparative analyses, a global database of the world's brood parasites, their host species, and the design of avian host and non-host nests (approx. 6200 bird species) to examine first, whether parasites preferentially target host species that build open nests and, second, whether host species that build enclosed nests are more likely to be targeted by specialist parasites. We found that species building more accessible nests are more likely to serve as hosts, while host species with some of the more inaccessible nests are targeted by more specialist brood parasites. Furthermore, evolutionary-transition analyses demonstrate that host species building enclosed nests frequently evolve to become non-hosts. We conclude that nest architecture and the accessibility of nests for parasitism represent a critical stage of the ongoing coevolutionary arms race between avian brood parasites and their hosts.
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Affiliation(s)
- Mark E. Hauber
- Advanced Science Research Center and Program in Psychology, Graduate Center of the City University of New York, 85 St Nicholas Terrace, New York, NY 10031, USA
| | - Jenő Nagy
- HUN-REN-UD Conservation Biology Research Group, Department of Botany, University of Debrecen, Egyetem tér 1, 4032 Debrecen, Hungary
| | - Catherine Sheard
- School of Earth Sciences, University of Bristol, Bristol BS8 1TQ, UK
- School of Biological Sciences, University of Aberdeen, Aberdeen AB24 2TZ, UK
| | - Nicholas D. Antonson
- Department of Ecology, Evolution, and Organismal Biology, Brown University, Providence, RI 02912, USA
| | - Sally E. Street
- Department of Anthropology, Durham University, Durham DH1 3LE, UK
| | - Susan D. Healy
- School of Biology, University of St Andrews, St Andrews KY16 9TH, UK
| | - Kevin N. Lala
- School of Biology, University of St Andrews, St Andrews KY16 9TH, UK
| | - Mark C. Mainwaring
- School of Environmental and Natural Sciences, Bangor University, Bangor LL57 2DG, UK
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3
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Sheard C, Street SE, Evans C, Lala KN, Healy SD, Sugasawa S. Beak shape and nest material use in birds. Philos Trans R Soc Lond B Biol Sci 2023; 378:20220147. [PMID: 37427471 DOI: 10.1098/rstb.2022.0147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/11/2023] Open
Abstract
The evolution of behaviour can both influence, and be influenced by, morphology. Recent advances in methods and data availability have facilitated broad-scale investigations of physical form and behavioural function in many contexts, but the relationship between animal morphology and object manipulation-particularly objects used in construction-remains largely unknown. Here, we employ a new global database of nest materials used by 5924 species of birds together with phylogenetically informed random forest models to evaluate the link between beak shape and these nest-building materials. We find that beak morphology, together with species diet and access to materials, can predict nest-material use above chance and with high accuracy (68-97%). Much of this relationship, however, is driven by phylogenetic signal and sampling biases. We therefore conclude that while variation in nest material use is linked with that of beak shape across bird species, these correlations are modulated by the ecological context and evolutionary history of these species. This article is part of the theme issue 'The evolutionary ecology of nests: a cross-taxon approach'.
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Affiliation(s)
- Catherine Sheard
- School of Earth Sciences, University of Bristol, Life Sciences Building, 24 Tyndall Avenue, Bristol BS8 1TQ, UK
| | - Sally E Street
- Department of Anthropology, Durham University, Dawson Building, South Road, Durham DH1 3LE, UK
| | - Caitlin Evans
- School of Biology, University of St Andrews, Harold Mitchell Building, St Andrews KY16 9TJ, UK
| | - Kevin N Lala
- School of Biology, University of St Andrews, Harold Mitchell Building, St Andrews KY16 9TJ, UK
| | - Susan D Healy
- School of Biology, University of St Andrews, Harold Mitchell Building, St Andrews KY16 9TJ, UK
| | - Shoko Sugasawa
- School of Biology, University of St Andrews, Harold Mitchell Building, St Andrews KY16 9TJ, UK
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4
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Vanadzina K, Street SE, Healy SD, Laland KN, Sheard C. Global drivers of variation in cup nest size in passerine birds. J Anim Ecol 2023; 92:338-351. [PMID: 36134498 PMCID: PMC10092846 DOI: 10.1111/1365-2656.13815] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 09/15/2022] [Indexed: 11/30/2022]
Abstract
The size of a bird's nest can play a key role in ensuring reproductive success and is determined by a variety of factors. The primary function of the nest is to protect offspring from the environment and predators. Field studies in a number of passerine species have indicated that higher-latitude populations in colder habitats build larger nests with thicker walls compared to lower-latitude populations, but that these larger nests are more vulnerable to predation. Increases in nest size can also be driven by sexual selection, as nest size can act as a signal of parental quality and prompt differential investment in other aspects of care. It is unknown, however, how these microevolutionary patterns translate to a macroevolutionary scale. Here, we investigate potential drivers of variation in the outer and inner volume of open cup nests using a large dataset of nest measurements from 1117 species of passerines breeding in a diverse range of environments. Our dataset is sourced primarily from the nest specimens at the Natural History Museum (UK), complemented with information from ornithological handbooks and online databases. We use phylogenetic comparative methods to test long-standing hypotheses about potential macroevolutionary correlates of nest size, namely nest location, clutch size and variables relating to parental care, together with environmental and geographical factors such as temperature, rainfall, latitude and insularity. After controlling for phylogeny and parental body size, we demonstrate that the outer volume of the nest is greater in colder climates, in island-dwelling species and in species that nest on cliffs or rocks. By contrast, the inner cup volume is associated solely with average clutch size, increasing with the number of chicks raised in the nest. We do not find evidence that nest size is related to the length of parental care for nestlings. Our study reveals that the average temperature in the breeding range, along with several key life-history traits and proxies of predation threat, shapes the global interspecific variation in passerine cup nest size. We also showcase the utility of museum nest collections-a historically underused resource-for large-scale studies of trait evolution.
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Affiliation(s)
| | - Sally E Street
- Department of Anthropology, Durham University, Durham, UK
| | - Susan D Healy
- School of Biology, University of St Andrews, St Andrews, UK
| | - Kevin N Laland
- School of Biology, University of St Andrews, St Andrews, UK
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5
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Street SE, Gutiérrez JS, Allen WL, Capellini I. Human activities favour prolific life histories in both traded and introduced vertebrates. Nat Commun 2023; 14:262. [PMID: 36650141 PMCID: PMC9845321 DOI: 10.1038/s41467-022-35765-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 12/28/2022] [Indexed: 01/19/2023] Open
Abstract
Species' life histories determine population demographics and thus the probability that introduced populations establish and spread. Life histories also influence which species are most likely to be introduced, but how such 'introduction biases' arise remains unclear. Here, we investigate how life histories affect the probability of trade and introduction in phylogenetic comparative analyses across three vertebrate classes: mammals, reptiles and amphibians. We find that traded species have relatively high reproductive rates and long reproductive lifespans. Within traded species, introduced species have a more extreme version of this same life history profile. Species in the pet trade also have long reproductive lifespans but lack 'fast' traits, likely reflecting demand for rare species which tend to have slow life histories. We identify multiple species not yet traded or introduced but with life histories indicative of high risk of future trade, introduction and potentially invasion. Our findings suggest that species with high invasion potential are favoured in the wildlife trade and therefore that trade regulation is crucial for preventing future invasions.
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Affiliation(s)
- Sally E Street
- Department of Anthropology, Durham University, Durham, DH1 3LE, UK.
| | - Jorge S Gutiérrez
- Department of Anatomy, Cell Biology and Zoology, University of Extremadura, Badajoz, 06006, Spain
| | - William L Allen
- Department of Biosciences, Swansea University, Swansea, SA2 8PP, UK
| | - Isabella Capellini
- School of Biological Sciences, Queens University Belfast, Belfast, BT9 5DL, UK.
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6
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Abstract
The pendent nests of some weaverbird and icterid species are among the most complex structures built by any animal, but why they have evolved remains to be explained. The precarious attachments and extended entrance tunnels characteristic of these nests are widely speculated to act as structural defences against invasion by nest predators, particularly tree-climbing snakes, but this hypothesis has yet to be systematically tested. We use phylogenetic comparative methods to investigate the relationship between nest structure and developmental period length, a proxy for offspring mortality, in weaverbirds (Ploceidae) and icterids (Icteridae), two bird families in which highly elaborate pendent nests have independently evolved. We find that more elaborate nests, particularly those with entrance tunnels, are associated with longer developmental periods in both families. This finding is robust to potentially confounding effects of body mass, phylogenetic relationships, nest location and latitude. Our results are consistent with the hypothesis that elaborate nest structures in birds can function as structural defences, resulting in lower offspring mortality and slower development. More generally, our findings suggest that constructing complex, protective structures may buffer against environmental hazards, reducing extrinsic mortality and contributing to the evolution of slower life histories in diverse animal lineages, even humans.
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Affiliation(s)
- Sally E. Street
- Department of Anthropology, Durham University, South Rd, Durham DH1 3LE, UK
| | - Robert Jaques
- British Trust for Ornithology, The Nunnery, Thetford IP24 2LP, UK
| | - Thilina N. De Silva
- Department of Ecology and Evolutionary Biology, Princeton University, 106A Guyot Ln, Princeton, NJ 08544, USA,Department of Ecology and Evolutionary Biology and Biodiversity Institute, University of Kansas, 1345 Jayhawk Blvd., Lawrence, KS 66045, USA
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7
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Mearing AS, Burkart JM, Dunn J, Street SE, Koops K. The evolutionary drivers of primate scleral coloration. Sci Rep 2022; 12:14119. [PMID: 35982191 PMCID: PMC9388658 DOI: 10.1038/s41598-022-18275-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 08/08/2022] [Indexed: 11/09/2022] Open
Abstract
The drivers of divergent scleral morphologies in primates are currently unclear, though white sclerae are often assumed to underlie human hyper-cooperative behaviours. Humans are unusual in possessing depigmented sclerae whereas many other extant primates, including the closely-related chimpanzee, possess dark scleral pigment. Here, we use phylogenetic generalized least squares (PGLS) analyses with previously generated species-level scores of proactive prosociality, social tolerance (both n = 15 primate species), and conspecific lethal aggression (n = 108 primate species) to provide the first quantitative, comparative test of three existing hypotheses. The 'self-domestication' and 'cooperative eye' explanations predict white sclerae to be associated with cooperative, rather than competitive, environments. The 'gaze camouflage' hypothesis predicts that dark scleral pigment functions as gaze direction camouflage in competitive social environments. Notably, the experimental evidence that non-human primates draw social information from conspecific eye movements is unclear, with the latter two hypotheses having recently been challenged. Here, we show that white sclerae in primates are associated with increased cooperative behaviours whereas dark sclerae are associated with reduced cooperative behaviours and increased conspecific lethal violence. These results are consistent with all three hypotheses of scleral evolution, suggesting that primate scleral morphologies evolve in relation to variation in social environment.
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Affiliation(s)
- Alex S Mearing
- Department of Archaeology, Fitzwilliam Street, University of Cambridge, Cambridge, CB2 1QH, UK.
| | - Judith M Burkart
- Department of Anthropology, University of Zurich, 8057, Zurich, Switzerland
| | - Jacob Dunn
- Department of Archaeology, Fitzwilliam Street, University of Cambridge, Cambridge, CB2 1QH, UK.,School of Life Sciences, Anglia Ruskin University, Cambridge, CB1 1PT, UK.,Department of Cognitive Biology, University of Vienna, 1090, Vienna, Austria
| | - Sally E Street
- Department of Anthropology, University of Durham, Durham, DH1 3LE, UK
| | - Kathelijne Koops
- Department of Archaeology, Fitzwilliam Street, University of Cambridge, Cambridge, CB2 1QH, UK.,Department of Anthropology, University of Zurich, 8057, Zurich, Switzerland
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8
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Mainwaring MC, Street SE. Conformity to Bergmann's rule in birds depends on nest design and migration. Ecol Evol 2021; 11:13118-13127. [PMID: 34646456 PMCID: PMC8495809 DOI: 10.1002/ece3.8034] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 07/21/2021] [Indexed: 11/05/2022] Open
Abstract
Ecogeographical rules attempt to explain large-scale spatial patterns in biological traits. One of the most enduring examples is Bergmann's rule, which states that species should be larger in colder climates due to the thermoregulatory advantages of larger body size. Support for Bergmann's rule, however, is not consistent across taxonomic groups, raising questions about what factors may moderate its effect. Behavior may play a crucial, yet so far underexplored, role in mediating the extent to which species are subject to environmental selection pressures in colder climates. Here, we tested the hypothesis that nest design and migration influence conformity to Bergmann's rule in a phylogenetic comparative analysis of the birds of the Western Palearctic, a group encompassing dramatic variation in both climate and body mass. We predicted that migratory species and those with more protected nest designs would conform less to the rule than sedentary species and those with more exposed nests. We find that sedentary, but not short- or long-distance migrating, species are larger in colder climates. Among sedentary species, conformity to Bergmann's rule depends, further, on nest design: Species with open nests, in which parents and offspring are most exposed to adverse climatic conditions during breeding, conform most strongly to the rule. Our findings suggest that enclosed nests and migration enable small birds to breed in colder environments than their body size would otherwise allow. Therefore, we conclude that behavior can substantially modify species' responses to environmental selection pressures.
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Affiliation(s)
- Mark C. Mainwaring
- Field Research Station at Fort MissoulaDivision of Biological SciencesUniversity of MontanaMissoulaMTUSA
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9
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Lemmers SAM, Dirks W, Street SE, Ngoubangoye B, Herbert A, Setchell JM. Dental microstructure records life history events: A histological study of mandrills (Mandrillus sphinx) from Gabon. J Hum Evol 2021; 158:103046. [PMID: 34332420 DOI: 10.1016/j.jhevol.2021.103046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 06/18/2021] [Accepted: 06/19/2021] [Indexed: 11/16/2022]
Abstract
Accentuated lines in dental microstructure are hypothesized to correlate with potentially stressful life history events, but our understanding of when, how and why such accentuated lines form in relation to stressful events is limited. We examined accentuated line formation and life history events in the teeth of three naturally deceased mandrills (Mandrillus sphinx, Cercopithecidae), for whom we had detailed life history information. We determined the ages at formation of accentuated lines in histological tooth sections and used dates of birth and death to calibrate dental histology to calendar time and individual age. We found accentuated lines that matched their mother's resumption of sexual cycles in two individuals, and possibly in the third individual. The subjects also formed lines when their mothers were mate-guarded by males or wounded. Accentuated lines matched the birth of the next sibling in one of two cases. Both females formed accentuated lines when they experienced their own sexual swelling cycles, but lines did not match all sexual swelling cycles. Mate-guarding matched an accentuated line in one case, but not in another. Lines matched all three parturitions in the two females. Changes in alpha male and captures did not consistently coincide with accentuated line formation, but repeated captures were associated with lines. Using simulated data, we show that the observed number of matches between lines and events would be very unlikely under a null hypothesis of random line formation. Our results support the hypothesis that some life history events are physiologically stressful enough to cause accentuated line formation in teeth. They contribute to our understanding of how primate life histories are recorded during dental development and enhance our ability to use teeth to reconstruct life history in the absence of direct observation.
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Affiliation(s)
- Simone A M Lemmers
- Department of Anthropology, Durham University, South Road, Durham, DH1 3LE, UK; Science and Technology in Archaeology Research Center, The Cyprus Institute, Nicosia, Cyprus
| | - Wendy Dirks
- Department of Anthropology, Durham University, South Road, Durham, DH1 3LE, UK
| | - Sally E Street
- Department of Anthropology, Durham University, South Road, Durham, DH1 3LE, UK
| | - Barthélemy Ngoubangoye
- Centre de Primatologie, Centre Internationale de Recherches Médicales, Franceville, Gabon
| | - Anaïs Herbert
- Centre de Primatologie, Centre Internationale de Recherches Médicales, Franceville, Gabon
| | - Joanna M Setchell
- Department of Anthropology, Durham University, South Road, Durham, DH1 3LE, UK.
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10
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Kavanagh E, Street SE, Angwela FO, Bergman TJ, Blaszczyk MB, Bolt LM, Briseño-Jaramillo M, Brown M, Chen-Kraus C, Clay Z, Coye C, Thompson ME, Estrada A, Fichtel C, Fruth B, Gamba M, Giacoma C, Graham KE, Green S, Grueter CC, Gupta S, Gustison ML, Hagberg L, Hedwig D, Jack KM, Kappeler PM, King-Bailey G, Kuběnová B, Lemasson A, Inglis DM, Machanda Z, MacIntosh A, Majolo B, Marshall S, Mercier S, Micheletta J, Muller M, Notman H, Ouattara K, Ostner J, Pavelka MSM, Peckre LR, Petersdorf M, Quintero F, Ramos-Fernández G, Robbins MM, Salmi R, Schamberg I, Schoof VAM, Schülke O, Semple S, Silk JB, Sosa-Lopéz JR, Torti V, Valente D, Ventura R, van de Waal E, Weyher AH, Wilke C, Wrangham R, Young C, Zanoli A, Zuberbühler K, Lameira AR, Slocombe K. Dominance style is a key predictor of vocal use and evolution across nonhuman primates. R Soc Open Sci 2021; 8:210873. [PMID: 34350023 PMCID: PMC8316807 DOI: 10.1098/rsos.210873] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 07/08/2021] [Indexed: 06/13/2023]
Abstract
Animal communication has long been thought to be subject to pressures and constraints associated with social relationships. However, our understanding of how the nature and quality of social relationships relates to the use and evolution of communication is limited by a lack of directly comparable methods across multiple levels of analysis. Here, we analysed observational data from 111 wild groups belonging to 26 non-human primate species, to test how vocal communication relates to dominance style (the strictness with which a dominance hierarchy is enforced, ranging from 'despotic' to 'tolerant'). At the individual-level, we found that dominant individuals who were more tolerant vocalized at a higher rate than their despotic counterparts. This indicates that tolerance within a relationship may place pressure on the dominant partner to communicate more during social interactions. At the species-level, however, despotic species exhibited a larger repertoire of hierarchy-related vocalizations than their tolerant counterparts. Findings suggest primate signals are used and evolve in tandem with the nature of interactions that characterize individuals' social relationships.
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Affiliation(s)
- Eithne Kavanagh
- Department of Psychology, University of York, Heslington, York YO10 5DD, UK
- Department of Psychology, Nottingham Trent University, Chaucer Building, 50 Shakespeare St, Nottingham NG1 4FQ, UK
| | - Sally E. Street
- Department of Anthropology, Durham University, South Road, Durham DH1 3LE, UK
| | - Felix O. Angwela
- School of Agricultural and Environmental Sciences, Mountains of the Moon University, PO Box 837, Fort Portal, Uganda
| | - Thore J. Bergman
- Departments of Psychology, EEB, University of Michigan, Ann Arbor, MI 48109, USA
| | - Maryjka B. Blaszczyk
- Department of Anthropology, University of Texas at Austin, 2201 Speedway Stop C3200, Austin, TX 78712, USA
| | - Laura M. Bolt
- Department of Anthropology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario, Canada N2 L 3G1
| | - Margarita Briseño-Jaramillo
- Instituto de Biologia, Universidad Nacional Autonoma de México (UNAM), Circuito exterior s/n, Ciudad Universitaria, Copilco, Coyoacán, Mexico City 04510, Mexico
- Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional Unidad Oaxaca (CIIDIR), Instituto Politécnico Nacional, Hornos No. 1003, Col. Noche Buena, Municipio de Santa Cruz Xoxocotlán, Oaxaca 71230, Mexico
| | - Michelle Brown
- Department of Anthropology, University of California, 552 University Road, Santa Barbara, CA 93106-3210, USA
| | - Chloe Chen-Kraus
- Department of Anthropology, Yale University, 10 Sachem Street, New Haven, CT 06511, USA
| | - Zanna Clay
- Department of Psychology, Durham University, South Road, Durham DH1 3LE, UK
| | - Camille Coye
- College of Life and Environmental Sciences, University of Exeter, Penryn Campus Treliever Road, Penryn TR10 9FE, UK
- Human and Animal Ethology (EthoS), University of Rennes, Normandie University, CNRS, EthoS - UMR6552, Campus de Beaulieu, 263 Avenue du Général Leclerc, 35000 Rennes, France
| | - Melissa Emery Thompson
- Department of Anthropology, University of New Mexico, 500 University Boulevard NE, Albuquerque, NM 87131, USA
| | - Alejandro Estrada
- Field Research Station Los Tuxtlas, Institute of Biology, National Autonomous University of Mexico, Circuito interior s/n, Ciudad universitaria, Delegacion coyoacan, Mexico City CP 04510, Mexico
| | - Claudia Fichtel
- Behavioral Ecology and Sociobiology Unit, German Primate Center, Leibniz Institute for Primate Research, Kellnerweg 4, 37077 Göttingen, Germany
- Leibniz ScienceCampus Primate Cognition, Kellnerweg 4, 37077 Göttingen, Germany
| | - Barbara Fruth
- School of Biological and Environmental Science, Liverpool John Moores University, Liverpool L3 3AF, UK
- Centre for Research and Conservation, Royal Zoological Society of Antwerp, 2018 Antwerp, Belgium
- Department of the Ecology of Animal Societies, Max Planck Institute of Animal Behavior, Bücklestraße 5, 78467 Konstanz, Germany
| | - Marco Gamba
- Department of Life Sciences and Systems Biology, University of Turin, via Accademia Albertina, 13, 10123 Turin, Italy
| | - Cristina Giacoma
- Department of Life Sciences and Systems Biology, University of Turin, via Accademia Albertina, 13, 10123 Turin, Italy
| | - Kirsty E. Graham
- Department of Psychology, University of York, Heslington, York YO10 5DD, UK
- School of Psychology & Neuroscience, University of St Andrews, St Andrews, KY16 9JP, UK
| | - Samantha Green
- School of Human Sciences, The University of Western Australia, 35 Stirling Highway, 6009 Crawley, Western Australia, Australia
- UWA Africa Research and Engagement Centre, The University of Western Australia, 35 Stirling Highway, 6009 Crawley, Western Australia, Australia
| | - Cyril C. Grueter
- School of Human Sciences, The University of Western Australia, 35 Stirling Highway, 6009 Crawley, Western Australia, Australia
- UWA Africa Research and Engagement Centre, The University of Western Australia, 35 Stirling Highway, 6009 Crawley, Western Australia, Australia
- Centre for Evolutionary Biology, School of Biological Sciences, The University of Western Australia, 35 Stirling Highway, 6009 Crawley, Western Australia, Australia
| | - Shreejata Gupta
- Department of Psychology, University of York, Heslington, York YO10 5DD, UK
| | - Morgan L. Gustison
- Department of Integrative Biology, University of Texas at Austin, 2415 Speedway, Austin, TX 78712, USA
| | - Lindsey Hagberg
- Department of Human Evolutionary Biology, Harvard University, 11 Divinity Avenue, Cambridge, MA 02138, USA
| | - Daniela Hedwig
- K. Lisa Yang Center for Conservation Bioacoustics, Cornell Lab of Ornithology, Cornell University, 159 Sapsucker Woods Road, Ithaca, NY 14850, USA
| | - Katharine M. Jack
- Department of Anthropology, Tulane University, 6823 St. Charles Avenue, New Orleans, LA 70118, USA
| | - Peter M. Kappeler
- Behavioral Ecology and Sociobiology Unit, German Primate Center, Leibniz Institute for Primate Research, Kellnerweg 4, 37077 Göttingen, Germany
- Department Sociobiology/Anthropology, Johann-Friedrich-Blumenbach Institute of Zoology and Anthropology, University Göttingen, Kellnerweg 6, 37077 Göttingen, Germany
| | - Gillian King-Bailey
- Department of Anthropology, Tulane University, 6823 St. Charles Avenue, New Orleans, LA 70118, USA
| | - Barbora Kuběnová
- Primate Research Institute, Kyoto University, 41-2 Kanrin, Inuyama, Aichi 484-8506, Japan
| | - Alban Lemasson
- Human and Animal Ethology (EthoS), University of Rennes, Normandie University, CNRS, EthoS - UMR6552, Campus de Beaulieu, 263 Avenue du Général Leclerc, 35000 Rennes, France
| | - David MacGregor Inglis
- Department of Life Sciences, University of Roehampton, Holybourne Avenue, London SW15 4JD, UK
| | - Zarin Machanda
- Department of Anthropology, Tufts University, 5 The Green, Medford, MA 02155, USA
| | - Andrew MacIntosh
- Primate Research Institute, Kyoto University, 41-2 Kanrin, Inuyama, Aichi 484-8506, Japan
| | - Bonaventura Majolo
- School of Psychology, University of Lincoln, Lincoln, Brayford Wharf East LN5 7TS, UK
| | - Sophie Marshall
- Department of Psychology, University of York, Heslington, York YO10 5DD, UK
| | - Stephanie Mercier
- Department of Comparative Cognition, Institute of Biology, University of Neuchâtel, Rue Emile-Argand 11, 2000 Neuchâtel, Switzerland
- Inkawu Vervet Project, Mawana Game Reserve, Swart Mfolozi 3115, South Africa
| | - Jérôme Micheletta
- Department of Psychology, Centre for Evolutionary and Comparative Psychology, University of Portsmouth, King Henry Building, King Henry I Street, PO1 2DY Portsmouth, UK
- Macaca Nigra Project, Tangkoko Reserve, PO Box 1495, Bitung, Indonesia
| | - Martin Muller
- Department of Anthropology, University of New Mexico, 500 University Boulevard NE, Albuquerque, NM 87131, USA
| | - Hugh Notman
- Anthropology, Faculty of Humanities and Social Sciences, Athabasca University, Athabasca, Canada
| | - Karim Ouattara
- Centre Suisse de Recherches Scientifiques en Côte d'Ivoire, 01 BP 1303 Abidjan 01, Ivory Coast
| | - Julia Ostner
- Research Group Primate Social Evolution, German Primate Center, Leibniz Institute for Primate Research, Kellnerweg 4, 37077 Göttingen, Germany
- Leibniz ScienceCampus Primate Cognition, Kellnerweg 4, 37077 Göttingen, Germany
- Department of Behavioral Ecology, Johann-Friedrich-Blumenbach Institute for Zoology and Anthropology, University Goettingen, Göttingen, Germany
| | - Mary S. M. Pavelka
- Department of Anthropology and Archaeology, University of Calgary, 2500 University Drive NW, Calgary, Alberta, Canada T2N 1N4
| | - Louise R. Peckre
- Behavioral Ecology and Sociobiology Unit, German Primate Center, Leibniz Institute for Primate Research, Kellnerweg 4, 37077 Göttingen, Germany
- Leibniz ScienceCampus Primate Cognition, Kellnerweg 4, 37077 Göttingen, Germany
| | - Megan Petersdorf
- Department of Anthropology, New York University, 25 Waverly Place, New York, NY, USA
| | - Fredy Quintero
- Department of Comparative Cognition, Institute of Biology, University of Neuchâtel, Rue Emile-Argand 11, 2000 Neuchâtel, Switzerland
| | - Gabriel Ramos-Fernández
- Instituto de Investigaciones en Matemáticas Aplicadas y en Sistemas, Universidad Nacional Autónoma de México, Circuto Escolar 3000, C.U., 04510 Mexico City, Mexico
- UPIITA, Instituto Politécnico Nacional, Avenida Instituto Politécnico Nacional 2580, La Laguna Ticoman, 07340 Mexico City, Mexico
| | - Martha M. Robbins
- Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig, Germany
| | - Roberta Salmi
- Department of Anthropology, University of Georgia, 355 S. Jackson Street, Athens, GA 30602, USA
| | - Isaac Schamberg
- Department of Human Evolutionary Biology, Harvard University, 11 Divinity Avenue, Cambridge, MA 02138, USA
| | - Valérie A. M. Schoof
- Department of Anthropology, Tulane University, 6823 St. Charles Avenue, New Orleans, LA 70118, USA
- Department of Biology, York University, Keele Campus, 4700, Keele Street, Toronto, ON Canada, M3J 1P3
| | - Oliver Schülke
- Research Group Primate Social Evolution, German Primate Center, Leibniz Institute for Primate Research, Kellnerweg 4, 37077 Göttingen, Germany
- Leibniz ScienceCampus Primate Cognition, Kellnerweg 4, 37077 Göttingen, Germany
- Department of Behavioral Ecology, Johann-Friedrich-Blumenbach Institute for Zoology and Anthropology, University Goettingen, Göttingen, Germany
| | - Stuart Semple
- Department of Life Sciences, University of Roehampton, Holybourne Avenue, London SW15 4JD, UK
| | - Joan B. Silk
- School of Human Evolution and Social Change, Arizona State University, Tempe, AZ 85287, USA
| | - J. Roberto Sosa-Lopéz
- CONACYT-Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional Unidad Oaxaca (CIIDIR), Instituto Politécnico Nacional, Hornos No. 1003, Col. Noche Buena, Santa Cruz Xoxocotlán, Oaxaca 71230, Mexico
| | - Valeria Torti
- Department of Life Sciences and Systems Biology, University of Turin, via Accademia Albertina, 13, 10123 Turin, Italy
| | - Daria Valente
- Department of Life Sciences and Systems Biology, University of Turin, via Accademia Albertina, 13, 10123 Turin, Italy
| | - Raffaella Ventura
- Scottish Primate Research Group, Division of Psychology, School of Social and Health Sciences, University of Abertay Dundee, Dundee, Scotland
| | - Erica van de Waal
- Inkawu Vervet Project, Mawana Game Reserve, Swart Mfolozi 3115, South Africa
- Department of Ecology and Evolution, University of Lausanne, 1015 Lausanne, Switzerland
| | - Anna H. Weyher
- Department of Anthropology, University of Massachusetts Amherst, 240 Hicks Way #217, Amherst, MA 01003, USA
| | - Claudia Wilke
- Department of Psychology, University of York, Heslington, York YO10 5DD, UK
| | - Richard Wrangham
- Department of Human Evolutionary Biology, Harvard University, 11 Divinity Avenue, Cambridge, MA 02138, USA
| | - Christopher Young
- Endocrine Research Laboratory, Mammal Research Institute, Faculty of Natural and Agricultural Science, University of Pretoria, Hatfield, Pretoria 0028, Republic of South Africa
- Applied Behavioural Ecology and Ecosystems Research Unit, University of South Africa, Pretoria, Florida 1710, Republic of South Africa
- Department of Psychology, University of Lethbridge, Alberta, Canada T1K6T5
| | - Anna Zanoli
- Department of Life Sciences and Systems Biology, University of Turin, via Accademia Albertina, 13, 10123 Turin, Italy
| | - Klaus Zuberbühler
- Department of Anthropology, Tufts University, 5 The Green, Medford, MA 02155, USA
- School of Psychology and Neuroscience, University of St. Andrews, South Street, St. Mary's Quad, South Street, St. Andrews KY16 9JP, UK
| | - Adriano R. Lameira
- School of Psychology and Neuroscience, University of St. Andrews, South Street, St. Mary's Quad, South Street, St. Andrews KY16 9JP, UK
- Department of Psychology, University of Warwick, University Road, Humanities Building, Coventry CV4 7AL, UK
| | - Katie Slocombe
- Department of Psychology, University of York, Heslington, York YO10 5DD, UK
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11
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Abstract
Life history is a robust correlate of relative brain size: larger-brained mammals and birds have slower life histories and longer lifespans than smaller-brained species. The cognitive buffer hypothesis (CBH) proposes an adaptive explanation for this relationship: large brains may permit greater behavioural flexibility and thereby buffer the animal from unpredictable environmental challenges, allowing for reduced mortality and increased lifespan. By contrast, the developmental costs hypothesis (DCH) suggests that life-history correlates of brain size reflect the extension of maturational processes needed to accommodate the evolution of large brains, predicting correlations with pre-adult life-history phases. Here, we test novel predictions of the hypotheses in primates applied to the neocortex and cerebellum, two major brain structures with distinct developmental trajectories. While neocortical growth is allocated primarily to pre-natal development, the cerebellum exhibits relatively substantial post-natal growth. Consistent with the DCH, neocortical expansion is related primarily to extended gestation while cerebellar expansion to extended post-natal development, particularly the juvenile period. Contrary to the CBH, adult lifespan explains relatively little variance in the whole brain or neocortex volume once pre-adult life-history phases are accounted for. Only the cerebellum shows a relationship with lifespan after accounting for developmental periods. Our results substantiate and elaborate on the role of maternal investment and offspring development in brain evolution, suggest that brain components can evolve partly independently through modifications of distinct developmental phases, and imply that environmental input during post-natal maturation may be particularly crucial for the development of cerebellar function. They also suggest that relatively extended post-natal maturation times provide a developmental mechanism for the marked expansion of the cerebellum in the apes.
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Affiliation(s)
- Lauren E Powell
- Evolutionary Anthropology Research Group, Department of Anthropology, Durham University, South Road, Durham DH1 3LE, UK
| | - Robert A Barton
- Evolutionary Anthropology Research Group, Department of Anthropology, Durham University, South Road, Durham DH1 3LE, UK
| | - Sally E Street
- Evolutionary Anthropology Research Group, Department of Anthropology, Durham University, South Road, Durham DH1 3LE, UK
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12
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Street SE, Morgan TJH, Thornton A, Brown GR, Laland KN, Cross CP. Human mate-choice copying is domain-general social learning. Sci Rep 2018; 8:1715. [PMID: 29379046 PMCID: PMC5788917 DOI: 10.1038/s41598-018-19770-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Accepted: 01/09/2018] [Indexed: 11/11/2022] Open
Abstract
Women appear to copy other women’s preferences for men’s faces. This ‘mate-choice copying’ is often taken as evidence of psychological adaptations for processing social information related to mate choice, for which facial information is assumed to be particularly salient. No experiment, however, has directly investigated whether women preferentially copy each other’s face preferences more than other preferences. Further, because prior experimental studies used artificial social information, the effect of real social information on attractiveness preferences is unknown. We collected attractiveness ratings of pictures of men’s faces, men’s hands, and abstract art given by heterosexual women, before and after they saw genuine social information gathered in real time from their peers. Ratings of faces were influenced by social information, but no more or less than were images of hands and abstract art. Our results suggest that evidence for domain-specific social learning mechanisms in humans is weaker than previously suggested.
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Affiliation(s)
- Sally E Street
- School of Biology, Sir Harold Mitchell Building, University of St Andrews, Greenside Place, St Andrews, KY16 9TJ, Fife, UK.,Department of Anthropology, Durham University, South Road, Durham, DH1 3LE, Country Durham, UK
| | - Thomas J H Morgan
- School of Human Evolution and Social Change, Arizona State University, South Cady Mall, Tempe, 85281, Arizona, USA
| | - Alex Thornton
- Centre for Ecology and Conservation, University of Exeter, Penryn Campus, Penryn, TR10 9FE, Cornwall, UK
| | - Gillian R Brown
- School of Psychology and Neuroscience, University of St Andrews, Westburn Lane, St Andrews, KY16 9JP, Fife, UK
| | - Kevin N Laland
- School of Biology, Sir Harold Mitchell Building, University of St Andrews, Greenside Place, St Andrews, KY16 9TJ, Fife, UK
| | - Catharine P Cross
- School of Psychology and Neuroscience, University of St Andrews, Westburn Lane, St Andrews, KY16 9JP, Fife, UK.
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13
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Allen WL, Street SE, Capellini I. Fast life history traits promote invasion success in amphibians and reptiles. Ecol Lett 2017; 20:222-230. [PMID: 28052550 PMCID: PMC6849728 DOI: 10.1111/ele.12728] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Accepted: 12/02/2016] [Indexed: 11/26/2022]
Abstract
Competing theoretical models make different predictions on which life history strategies facilitate growth of small populations. While ‘fast’ strategies allow for rapid increase in population size and limit vulnerability to stochastic events, ‘slow’ strategies and bet‐hedging may reduce variance in vital rates in response to stochasticity. We test these predictions using biological invasions since founder alien populations start small, compiling the largest dataset yet of global herpetological introductions and life history traits. Using state‐of‐the‐art phylogenetic comparative methods, we show that successful invaders have fast traits, such as large and frequent clutches, at both establishment and spread stages. These results, together with recent findings in mammals and plants, support ‘fast advantage’ models and the importance of high potential population growth rate. Conversely, successful alien birds are bet‐hedgers. We propose that transient population dynamics and differences in longevity and behavioural flexibility can help reconcile apparently contrasting results across terrestrial vertebrate classes.
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Affiliation(s)
- William L Allen
- School of Environmental Sciences, University of Hull, Cottingham Road, Hull, HU6 7RX, UK.,Department of Biosciences, Swansea University, Singleton Park, Swansea, SA2 8PP, Wales, UK
| | - Sally E Street
- School of Environmental Sciences, University of Hull, Cottingham Road, Hull, HU6 7RX, UK
| | - Isabella Capellini
- School of Environmental Sciences, University of Hull, Cottingham Road, Hull, HU6 7RX, UK
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14
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Navarrete AF, Reader SM, Street SE, Whalen A, Laland KN. The coevolution of innovation and technical intelligence in primates. Philos Trans R Soc Lond B Biol Sci 2016; 371:20150186. [PMID: 26926276 PMCID: PMC4780528 DOI: 10.1098/rstb.2015.0186] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/23/2015] [Indexed: 01/04/2023] Open
Abstract
In birds and primates, the frequency of behavioural innovation has been shown to covary with absolute and relative brain size, leading to the suggestion that large brains allow animals to innovate, and/or that selection for innovativeness, together with social learning, may have driven brain enlargement. We examined the relationship between primate brain size and both technical (i.e. tool using) and non-technical innovation, deploying a combination of phylogenetically informed regression and exploratory causal graph analyses. Regression analyses revealed that absolute and relative brain size correlated positively with technical innovation, and exhibited consistently weaker, but still positive, relationships with non-technical innovation. These findings mirror similar results in birds. Our exploratory causal graph analyses suggested that technical innovation shares strong direct relationships with brain size, body size, social learning rate and social group size, whereas non-technical innovation did not exhibit a direct relationship with brain size. Nonetheless, non-technical innovation was linked to brain size indirectly via diet and life-history variables. Our findings support 'technical intelligence' hypotheses in linking technical innovation to encephalization in the restricted set of primate lineages where technical innovation has been reported. Our findings also provide support for a broad co-evolving complex of brain, behaviour, life-history, social and dietary variables, providing secondary support for social and ecological intelligence hypotheses. The ability to gain access to difficult-to-extract, but potentially nutrient-rich, resources through tool use may have conferred on some primates adaptive advantages, leading to selection for brain circuitry that underlies technical proficiency.
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Affiliation(s)
- Ana F Navarrete
- School of Biology, University of St Andrews, St Andrews, Fife KY16 9TS, UK
| | - Simon M Reader
- Department of Biology, McGill University, 1205 Doctor Penfield Avenue, Montreal, Quebec H3A 1B1, Canada
| | - Sally E Street
- School of Biology, University of St Andrews, St Andrews, Fife KY16 9TS, UK School of Biological, Biomedical and Environmental Sciences, University of Hull, Cottingham Road, Kingston upon Hull, Yorkshire HU6 7RX, UK
| | - Andrew Whalen
- School of Biology, University of St Andrews, St Andrews, Fife KY16 9TS, UK
| | - Kevin N Laland
- School of Biology, University of St Andrews, St Andrews, Fife KY16 9TS, UK
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15
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Street SE, Cross CP, Brown GR. Exaggerated sexual swellings in female nonhuman primates are reliable signals of female fertility and body condition. Anim Behav 2016. [DOI: 10.1016/j.anbehav.2015.11.023] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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16
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Capellini I, Baker J, Allen WL, Street SE, Venditti C. The role of life history traits in mammalian invasion success. Ecol Lett 2015; 18:1099-107. [PMID: 26293900 PMCID: PMC4989474 DOI: 10.1111/ele.12493] [Citation(s) in RCA: 99] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Revised: 05/12/2015] [Accepted: 07/23/2015] [Indexed: 11/30/2022]
Abstract
Why some organisms become invasive when introduced into novel regions while others fail to even establish is a fundamental question in ecology. Barriers to success are expected to filter species at each stage along the invasion pathway. No study to date, however, has investigated how species traits associate with success from introduction to spread at a large spatial scale in any group. Using the largest data set of mammalian introductions at the global scale and recently developed phylogenetic comparative methods, we show that human-mediated introductions considerably bias which species have the opportunity to become invasive, as highly productive mammals with longer reproductive lifespans are far more likely to be introduced. Subsequently, greater reproductive output and higher introduction effort are associated with success at both the establishment and spread stages. High productivity thus supports population growth and invasion success, with barriers at each invasion stage filtering species with progressively greater fecundity.
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Affiliation(s)
- Isabella Capellini
- School of Biological, Biomedical and Environmental Sciences, University of Hull, Cottingham Road, Hull, HU6 7RX, UK
| | - Joanna Baker
- School of Biological, Biomedical and Environmental Sciences, University of Hull, Cottingham Road, Hull, HU6 7RX, UK.,School of Biological Sciences, University of Reading, Reading, RG6 6BX, UK
| | - William L Allen
- School of Biological, Biomedical and Environmental Sciences, University of Hull, Cottingham Road, Hull, HU6 7RX, UK
| | - Sally E Street
- School of Biological, Biomedical and Environmental Sciences, University of Hull, Cottingham Road, Hull, HU6 7RX, UK
| | - Chris Venditti
- School of Biological Sciences, University of Reading, Reading, RG6 6BX, UK
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17
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Abstract
Wood, Kressel, Joshi, and Louie (2014) thoroughly evaluate the evidence for menstrual cycle shifts in ratings of several male characteristics and conclude that their analyses fail to provide supportive evidence for consistent cycle effects. The topic of menstrual cycle shifts in mate preferences has been strongly debated, with disagreements over both scientific content and practice. Here, we attempt to take a step back from these acrimonious exchanges and focus instead on how to interpret menstrual cycle shifts in mate preference tasks, independently from the question of when, or if, task performance varies with cycle stage. A greater consideration of domain-general mechanisms could provide an opportunity for investigating how evolved predispositions interact with socially transmitted information in biasing women’s responses on mate preference tasks.
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Affiliation(s)
- Gillian R. Brown
- School of Psychology & Neuroscience, University of St Andrews, UK
| | | | - Sally E. Street
- School of Psychology & Neuroscience, University of St Andrews, UK
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18
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Abstract
Across the brains of different bird species, the cerebellum varies greatly in the amount of surface folding (foliation). The degree of cerebellar foliation is thought to correlate positively with the processing capacity of the cerebellum, supporting complex motor abilities, particularly manipulative skills. Here, we tested this hypothesis by investigating the relationship between cerebellar foliation and species-typical nest structure in birds. Increasing complexity of nest structure is a measure of a bird's ability to manipulate nesting material into the required shape. Consistent with our hypothesis, avian cerebellar foliation increases as the complexity of the nest built increases, setting the scene for the exploration of nest building at the neural level.
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Affiliation(s)
- Zachary J Hall
- School of Biology, University of St Andrews, , Harold Mitchell Building, St Andrews KY16 9TH, UK
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19
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Rennaker RL, Ruyle AM, Street SE, Sloan AM. An economical multi-channel cortical electrode array for extended periods of recording during behavior. J Neurosci Methods 2005; 142:97-105. [PMID: 15652622 DOI: 10.1016/j.jneumeth.2004.07.018] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2004] [Revised: 07/02/2004] [Accepted: 07/29/2004] [Indexed: 10/26/2022]
Abstract
We report the development of a low-cost chronic multi-channel microwire electrode array for recording multi-unit cortical responses in behaving rodents. The design was motivated by three issues. First, standard connector systems tended to disconnect from the head-stage during extended periods of behavior. Disconnections resulted in a loss of data and an interruption of the animals' behavior. Second, the use of low insertion force connectors with locking mechanisms was cost prohibitive. Finally, connecting the head-stage to a skull-mounted connector on an unrestrained animal was highly stressful for both the researcher and animal. The design developed uses a high insertion force DIP socket separated from the skullcap that prevents inadvertent disconnects, is inexpensive, and simplifies connecting unrestrained rodents. Electrodes were implanted in layer IV of primary auditory cortex in 11 Sprague-Dawley rats. Performance of the electrodes was monitored for 6 weeks. None of the behaving animals became disconnected from the recording system during recording sessions lasting 6 h. The mean signal-to-noise ratio on all channels (154) following surgery was 3.9+/-0.2. Of the 154 channels implanted, 130 exhibited driven activity following surgery. Forty percent of the arrays continued to exhibit driven neural activity at 6 weeks.
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Affiliation(s)
- R L Rennaker
- Aerospace and Mechanical Engineering, The University of Oklahoma, 865 Asp Ave Felgar Hall 210, Norman, OK 73019, USA.
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20
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Abstract
Perforin (pfp) and interferon-gamma (IFN-gamma) together in C57BL/6 (B6) and BALB/c mouse strains provided optimal protection in 3 separate tumor models controlled by innate immunity. Using experimental (B6, RM-1 prostate carcinoma) and spontaneous (BALB/c, DA3 mammary carcinoma) models of metastatic cancer, mice deficient in both pfp and IFN-gamma were significantly less proficient than pfp- or IFN-gamma-deficient mice in preventing metastasis of tumor cells to the lung. Pfp and IFN-gamma-deficient mice were as susceptible as mice depleted of natural killer (NK) cells in both tumor metastasis models, and IFN-gamma appeared to play an early role in protection from metastasis. Previous experiments in a model of fibrosarcoma induced by the chemical carcinogen methylcholanthrene indicated an important role for NK1.1(+) T cells. Herein, both pfp and IFN-gamma played critical and independent roles in providing the host with protection equivalent to that mediated by NK1.1(+) T cells. Further analysis demonstrated that IFN-gamma, but not pfp, controlled the growth rate of sarcomas arising in these mice. Thus, this is the first study to demonstrate that host IFN-gamma and direct cytotoxicity mediated by cytotoxic lymphocytes expressing pfp independently contribute antitumor effector functions that together control the initiation, growth, and spread of tumors in mice.
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MESH Headings
- Animals
- Antineoplastic Agents/pharmacology
- Cell Division/drug effects
- Cell Transformation, Neoplastic/drug effects
- Cytotoxicity Tests, Immunologic
- Disease Models, Animal
- Fibrosarcoma/chemically induced
- Fibrosarcoma/drug therapy
- Fibrosarcoma/immunology
- Interferon-gamma/genetics
- Interferon-gamma/pharmacology
- Killer Cells, Natural/drug effects
- Killer Cells, Natural/immunology
- Leukocyte Count
- Membrane Glycoproteins/genetics
- Membrane Glycoproteins/pharmacology
- Methylcholanthrene/pharmacology
- Mice
- Mice, Inbred Strains
- Mice, Knockout
- Mice, SCID
- Neoplasm Metastasis/drug therapy
- Neoplasm Metastasis/prevention & control
- Neoplasms, Experimental/chemically induced
- Neoplasms, Experimental/drug therapy
- Neoplasms, Experimental/immunology
- Perforin
- Pore Forming Cytotoxic Proteins
- Receptors, Antigen, T-Cell, alpha-beta/immunology
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Affiliation(s)
- S E Street
- Cancer Immunology, Peter MacCallum Cancer Institute, Victoria, Australia
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21
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Abstract
IL-12 has been demonstrated to have potent anti-tumor activities in a variety of mouse tumor models, but the relative roles of NK, NKT, and T cells and their effector mechanisms in these responses have not been fully addressed. Using a spectrum of gene-targeted or Ab-treated mice we have shown that for any particular tumor model the effector mechanisms downstream of IL-12 often mimic the natural immune response to that tumor. For example, metastasis of the MHC class I-deficient lymphoma, EL4-S3, was strictly controlled by NK cells using perforin either naturally or following therapy with high-dose IL-12. Intriguingly, in B16F10 and RM-1 tumor models both NK and NKT cells contribute to natural protection from tumor metastasis. In these models, a lower dose of IL-12 or delayed administration of IL-12 dictated a greater relative role of NKT cells in immune protection from tumor metastasis. Overall, both NK and NKT cells can contribute to natural and IL-12-induced immunity against tumors, and the relative role of each population is tumor and therapy dependent.
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MESH Headings
- Animals
- Antineoplastic Agents/administration & dosage
- Antineoplastic Agents/therapeutic use
- Disease Models, Animal
- Dose-Response Relationship, Immunologic
- Drug Administration Schedule
- Immunity, Innate/genetics
- Injections, Intraperitoneal
- Interferon-gamma/deficiency
- Interferon-gamma/genetics
- Interferon-gamma/physiology
- Interleukin-12/administration & dosage
- Interleukin-12/physiology
- Interleukin-12/therapeutic use
- Killer Cells, Natural/immunology
- Lung Neoplasms/genetics
- Lung Neoplasms/immunology
- Lung Neoplasms/prevention & control
- Lung Neoplasms/secondary
- Lymphocyte Depletion
- Lymphoma/immunology
- Lymphoma/prevention & control
- Male
- Melanoma, Experimental/immunology
- Melanoma, Experimental/prevention & control
- Melanoma, Experimental/secondary
- Membrane Glycoproteins/deficiency
- Membrane Glycoproteins/genetics
- Membrane Glycoproteins/physiology
- Mice
- Mice, Inbred C57BL
- Mice, Knockout
- Neoplasm Transplantation
- Perforin
- Pore Forming Cytotoxic Proteins
- Prostatic Neoplasms/immunology
- Prostatic Neoplasms/prevention & control
- T-Lymphocyte Subsets/immunology
- Tumor Cells, Cultured
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Affiliation(s)
- M J Smyth
- Cancer Immunology, Peter MacCallum Cancer Institute, St. Andrews Place, East Melbourne, Victoria, Australia.
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22
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Smyth MJ, Thia KY, Street SE, Cretney E, Trapani JA, Taniguchi M, Kawano T, Pelikan SB, Crowe NY, Godfrey DI. Differential tumor surveillance by natural killer (NK) and NKT cells. J Exp Med 2000; 191:661-8. [PMID: 10684858 PMCID: PMC2195840 DOI: 10.1084/jem.191.4.661] [Citation(s) in RCA: 582] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Natural tumor surveillance capabilities of the host were investigated in six different mouse tumor models where endogenous interleukin (IL)-12 does or does not dictate the efficiency of the innate immune response. Gene-targeted and lymphocyte subset-depleted mice were used to establish the relative importance of natural killer (NK) and NK1.1(+) T (NKT) cells in protection from tumor initiation and metastasis. In the models examined, CD3(-) NK cells were responsible for tumor rejection and protection from metastasis in models where control of major histocompatibility complex class I-deficient tumors was independent of IL-12. A protective role for NKT cells was only observed when tumor rejection required endogenous IL-12 activity. In particular, T cell receptor Jalpha281 gene-targeted mice confirmed a critical function for NKT cells in protection from spontaneous tumors initiated by the chemical carcinogen, methylcholanthrene. This is the first description of an antitumor function for NKT cells in the absence of exogenously administered potent stimulators such as IL-12 or alpha-galactosylceramide.
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MESH Headings
- Animals
- Crosses, Genetic
- Cytotoxicity, Immunologic
- Female
- Galactosylceramides/pharmacology
- Genes, T-Cell Receptor alpha
- Interleukin-12/pharmacology
- Interleukin-12/physiology
- Killer Cells, Natural/immunology
- Liver/immunology
- Male
- Methylcholanthrene
- Mice
- Mice, Inbred C57BL
- Mice, Knockout
- Neoplasms, Experimental/chemically induced
- Neoplasms, Experimental/immunology
- Neoplasms, Experimental/prevention & control
- Receptor-CD3 Complex, Antigen, T-Cell/deficiency
- Receptor-CD3 Complex, Antigen, T-Cell/genetics
- Receptor-CD3 Complex, Antigen, T-Cell/physiology
- Receptors, Antigen, T-Cell, alpha-beta/deficiency
- Receptors, Antigen, T-Cell, alpha-beta/genetics
- Receptors, Antigen, T-Cell, alpha-beta/physiology
- T-Lymphocyte Subsets/immunology
- Thymus Gland/immunology
- Tumor Cells, Cultured
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Affiliation(s)
- M J Smyth
- Cellular Cytotoxicity Laboratory, Austin Research Institute, Austin and Repatriation Medical Centre, Heidelberg, 3084 Victoria, Australia.
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