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Ruiz-Raya F, Velando A. Sunlight and lifestyle: linking prenatal light conditions and personality development in a wild bird. Anim Behav 2022. [DOI: 10.1016/j.anbehav.2022.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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2
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Kelleher SR, Silla AJ, Hunter DA, McFadden MS, Byrne PG. Captive diet does not influence exploration behavior upon reintroduction to the wild in a critically endangered amphibian. FRONTIERS IN CONSERVATION SCIENCE 2022. [DOI: 10.3389/fcosc.2022.985545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Exploration behavior can have profound effects on individual fitness. Consequently, knowledge of the proximate mechanisms underpinning exploration behavior may inform conservation breeding programs (CBPs) for threatened species. However, the environmental factors that influence exploration behavior in captivity and during the reintroduction process remain poorly understood. Dietary micronutrients, such as carotenoids, are known to affect the expression of energetically costly behavioral traits, and theoretically may also influence the degree of exploration behavior in various contexts. Here, we investigate whether dietary β-carotene supplementation in captivity influences exploration behavior upon reintroduction to the wild in the critically endangered southern corroboree frog, Pseudophryne corroboree. We conducted a manipulative dietary experiment where captive bred P. corroboree were supplemented with different doses of β-carotene for 40 weeks prior to release. Frogs (n = 115) were reintroduced to the wild using a soft-release approach, where they were released into field enclosures specifically designed for this species. Upon reintroduction, the frogs’ initial exploration behavior was measured using a standardized behavioral assay. There was no effect of diet treatment on any measure of exploration behavior (mean latency to leave the initial refuge, time spent mobile within the release apparatus and latency to disperse into the field enclosure). However, there was a significant relationship between individual body size and latency to leave the refuge, whereby smaller individuals left the refuge more rapidly. While these findings provide no evidence that β-carotene at the dosages tested influences P. corroboree exploration behavior in a reintroduction context, the effect of body size draws attention to the potential for bodily state to influence exploration behavior. We discuss the need for ongoing research investigating the influence of captive diet on post release behavior, and highlight how knowledge concerning state-dependent behavior might help to inform and direct reintroduction programs.
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3
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Sanghvi K, Iglesias‐Carrasco M, Zajitschek F, Kruuk LEB, Head ML. Effects of developmental and adult environments on ageing. Evolution 2022; 76:1868-1882. [PMID: 35819127 PMCID: PMC9543291 DOI: 10.1111/evo.14567] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 06/03/2022] [Accepted: 06/28/2022] [Indexed: 01/22/2023]
Abstract
Developmental and adult environments can interact in complex ways to influence the fitness of individuals. Most studies investigating effects of the environment on fitness focus on environments experienced and traits expressed at a single point in an organism's life. However, environments vary with time, so the effects of the environments that organisms experience at different ages may interact to affect how traits change throughout life. Here, we test whether thermal stress experienced during development leads individuals to cope better with thermal stress as adults. We manipulated temperature during both development and adulthood and measured a range of life-history traits, including senescence, in male and female seed beetles (Callosobruchus maculatus). We found that thermal stress during development reduced adult reproductive performance of females. In contrast, life span and age-dependent mortality were affected more by adult than developmental environments, with high adult temperatures decreasing longevity and increasing age-dependent mortality. Aside from an interaction between developmental and adult environments to affect age-dependent changes in male weight, we did not find any evidence of a beneficial acclimation response to developmental thermal stress. Overall, our results show that effects of developmental and adult environments can be both sex and trait specific, and that a full understanding of how environments interact to affect fitness and ageing requires the integrated study of conditions experienced during different stages of ontogeny.
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Affiliation(s)
- Krish Sanghvi
- Reserach School of BiologyAustralian National UniversityCanberraACT2601Australia
| | | | - Felix Zajitschek
- School of Biology Earth and Environmental SciencesUniversity of New South WalesSydneyNSW2052Australia
| | - Loeske E. B. Kruuk
- Reserach School of BiologyAustralian National UniversityCanberraACT2601Australia
| | - Megan L. Head
- Reserach School of BiologyAustralian National UniversityCanberraACT2601Australia
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4
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Choi MP, Rubin AM, Wada H. Suboptimal Embryonic Incubation Temperature Has Long-Term, Sex-Specific Consequences on Beak Coloration and the Behavioral Stress Response in Zebra Finches. Front Ecol Evol 2022. [DOI: 10.3389/fevo.2022.901303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Secondary sex characteristics, like beak color in some avian species, have indirect impacts on reproductive success, as they are considered to be honest indicators of condition, immunocompetence, and developmental history. However, little is known about the long-term effects of environmental perturbations on the production and maintenance of these secondary sex characteristics in avian species. In zebra finches (Taeniopygia guttata), redder beaks indicate increased carotenoid expression and implantation into beak tissue, and female zebra finches prefer males with pronounced bright red beaks as a mate. The present study examines the long-term effects of embryonic incubation temperature on the maturation of beak color in zebra finches. We also investigated the effects of embryonic incubation temperature on sensitivity to a handling and restraint stressor in adulthood. Specifically, the aims of this study were to examine: (1) whether suboptimal incubation temperatures affect the timing of beak color development and color characteristics before and after sexual maturity, (2) if repeated handling causes short-term changes in beak color and whether color changes are related to embryonic thermal environment, and (3) how thermal stress during incubation alters future responses to a repeated handling stressor. Zebra finch eggs were randomly assigned to one of three incubators: “Control,” “Low,” or “Periodic Cooling.” Beak color (hue, saturation, and value) was quantified before [45, 60, 75 days post-hatch (dph)] and after sexual maturity (95 dph), as well as after repeated handling stress later in adulthood (avg of 386 dph). We found that there were age- and sex- specific effects of incubation treatment on beak hue, where females from periodically cooled eggs had decreased hues (redder) in adulthood. Additionally, eggs laid later in a clutch had decreased beak saturation levels throughout life regardless of incubation environment. We found that females had lower beak hue and saturation following a capture and restraint stressor, while males showed increased beak saturation. Lastly, males subjected to the Low incubation treatment had relatively higher activity levels during restraint than those in the Control group. Overall, these findings suggest that fluctuating incubation temperatures combined with repeated, short-term stressors can have significant, sex-specific effects on sexual ornamentation and behavior.
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5
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Gerritsma YH, Driessen MMG, Tangili M, de Boer SF, Verhulst S. Experimentally manipulated food availability affects offspring quality but not quantity in zebra finch meso-populations. Oecologia 2022; 199:769-783. [PMID: 35614323 PMCID: PMC9465982 DOI: 10.1007/s00442-022-05183-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 05/03/2022] [Indexed: 11/29/2022]
Abstract
Food availability modulates survival, reproduction and thereby population size. In addition to direct effects, food availability has indirect effects through density of conspecifics and predators. We tested the prediction that food availability in isolation affects reproductive success by experimentally manipulating food availability continuously for 3 years in zebra finches (Taeniopygia guttata) housed in outdoor aviaries. To this end, we applied a technique that mimics natural variation in food availability: increasing the effort required per food reward without affecting diet. Lower food availability resulted in a slight delay of start of laying and fewer clutches per season, but did not affect clutch size or number of offspring reared per annum. However, increasing foraging costs substantially reduced offspring growth. Thus, food availability in isolation did not impact the quantity of offspring reared, at the expense of offspring quality. Growth declined strongly with brood size, and we interpret the lack of response with respect to offspring number as an adaptation to environments with low predictability, at the time of egg laying, of food availability during the period of peak food demand, typically weeks later. Manipulated natal brood size of the parents did not affect reproductive success. Individuals that were more successful reproducers were more likely to survive to the next breeding season, as frequently found in natural populations. We conclude that the causal mechanisms underlying associations between food availability and reproductive success in natural conditions may be more complex than usually assumed. Experiments in semi-natural meso-populations can contribute to further unravelling these mechanisms.
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6
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Liu Q, Gelok E, Fontein K, Slabbekoorn H, Riebel K. An experimental test of chronic traffic noise exposure on parental behaviour and reproduction in zebra finches. Biol Open 2022; 11:274974. [PMID: 35388881 PMCID: PMC9002793 DOI: 10.1242/bio.059183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 03/08/2022] [Indexed: 11/20/2022] Open
Abstract
Chronic traffic noise is increasingly recognised as a potential hazard to wildlife. Several songbird species have been shown to breed poorly in traffic noise exposed habitats. However, identifying whether noise is causal in this requires experimental approaches. We tested whether experimental exposure to chronic traffic noise affected parental behaviour and reproductive success in zebra finches (Taeniopygia guttata). In a counterbalanced repeated-measures design, breeding pairs were exposed to continuous playback of one of two types of highway noise previously shown to be either neutral (control) or aversive. Parental nest attendance positively correlated with feeding effort and was higher for the aversive than the control sound and this effect was more pronounced for parents attending larger broods. However, neither noise condition affected offspring number, growth or body mass. The absence of an effect held when we combined our data with data from two other comparable studies into a meta-analysis. We discuss whether the increased nest attendance could be a compensatory strategy that alleviated detrimental noise effects on the chicks, and whether it could be caused by impaired parent-offspring or within-pair communication. Future work should test these hypotheses and investigate potential long-term costs of increased parental engagement.
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Affiliation(s)
- Quanxiao Liu
- Institute of Biology Leiden, Leiden University, Leiden, 2333 BE, The Netherlands
| | - Esther Gelok
- Institute of Biology Leiden, Leiden University, Leiden, 2333 BE, The Netherlands
| | - Kiki Fontein
- Institute of Biology Leiden, Leiden University, Leiden, 2333 BE, The Netherlands
| | - Hans Slabbekoorn
- Institute of Biology Leiden, Leiden University, Leiden, 2333 BE, The Netherlands
| | - Katharina Riebel
- Institute of Biology Leiden, Leiden University, Leiden, 2333 BE, The Netherlands
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7
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Lu C, Lefeuvre M, Rutkowska J. Variability in ambient temperature promotes juvenile participation and shorter latency in a learning test in zebra finches. Anim Behav 2022. [DOI: 10.1016/j.anbehav.2022.01.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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8
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Cirino LA, Moore PJ, Miller CW. High-quality host plant diets partially rescue female fecundity from a poor early start. ROYAL SOCIETY OPEN SCIENCE 2022; 9:211748. [PMID: 35223064 PMCID: PMC8864338 DOI: 10.1098/rsos.211748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 01/31/2022] [Indexed: 05/03/2023]
Abstract
Nutrition is a dynamic environmental factor and compensatory growth may help animals handle seasonal fluctuations in their diets. Yet, how the dynamic changes in nutrition affect female reproduction is understudied. We took advantage of a specialist insect herbivore, Narnia femorata Stål (Hemiptera: Coreidae), that feeds and reproduces on cactus across three seasons. We first examined how cactus quality can affect female reproductive success. Then, we investigated the extent to which reproductive success can be improved by a switch in diet quality at adulthood. We placed N. femorata juveniles onto prickly pear cactus pads with early-season (low-quality) or late-season (high-quality) fruit and tracked survivorship and development time. A subset of the females raised on low-quality diets were provided with an improved adult diet to simulate a seasonal change in diet. Adult female survival and egg production were tracked over time. All fitness-related traits were lower for females fed low-quality diets compared with females fed high-quality diets. However, when females had access to an improved adult diet, egg production was partially rescued. These findings show that a seasonal improvement in diet can enhance reproduction, but juvenile nutrition still has lasting effects that females cannot overcome.
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Affiliation(s)
- Lauren A. Cirino
- Entomology and Nematology Department, University of Florida, Gainesville, FL 32611, US
| | - Patricia J. Moore
- Department of Entomology, University of Georgia, Athens, GA 30602, US
| | - Christine W. Miller
- Entomology and Nematology Department, University of Florida, Gainesville, FL 32611, US
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9
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Avilés JM, Precioso M, Molina‐Morales M, Martínez JG. Early‐life environmental conditions influence parasitism at adulthood and life‐history of a cuckoo host. OIKOS 2021. [DOI: 10.1111/oik.08876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jesús Miguel Avilés
- Depto de Ecología Funcional y Evolutiva, Estación Experimental de Zonas Áridas, CSIC Almería Spain
| | - Marta Precioso
- Depto de Zoología, Facultad de Ciencias, Univ. de Granada Granada Spain
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10
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Novelty at second glance: a critical appraisal of the novel object paradigm based on meta-analysis. Anim Behav 2021. [DOI: 10.1016/j.anbehav.2021.07.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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11
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Gudowska A, Drobniak SM. Diet modulates behaviour in house sparrows: insights into possible hormone-mediated mechanisms. Anim Behav 2021. [DOI: 10.1016/j.anbehav.2021.08.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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12
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Salmón P, Millet C, Selman C, Monaghan P. Growth acceleration results in faster telomere shortening later in life. Proc Biol Sci 2021; 288:20211118. [PMID: 34375555 PMCID: PMC8354743 DOI: 10.1098/rspb.2021.1118] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 07/16/2021] [Indexed: 11/12/2022] Open
Abstract
There is a wealth of evidence for a lifespan penalty when environmental conditions influence an individual's growth trajectory, such that growth rate is accelerated to attain a target size within a limited time period. Given this empirically demonstrated relationship between accelerated growth and lifespan, and the links between lifespan and telomere dynamics, increased telomere loss could underpin this growth-lifespan trade. We experimentally modified the growth trajectory of nestling zebra finches (Taeniopygia guttata), inducing a group of nestlings to accelerate their growth between 7 and 15 days of age, the main phase of body growth. We then sequentially measured their telomere length in red blood cells at various time points from 7 days to full adulthood (120 days). Accelerated growth between 7 and 15 days was not associated with a detectable increase in telomere shortening during this period compared with controls. However, only in the treatment group induced to show growth acceleration was the rate of growth during the experimental period positively related to the amount of telomere shortening between 15 and 120 days. Our findings provide evidence of a long-term influence of growth rate on later-life telomere shortening, but only when individuals have accelerated growth in response to environmental circumstances.
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Affiliation(s)
- Pablo Salmón
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Graham Kerr Building, Glasgow G12 8QQ, UK
| | - Caroline Millet
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Graham Kerr Building, Glasgow G12 8QQ, UK
| | - Colin Selman
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Graham Kerr Building, Glasgow G12 8QQ, UK
| | - Pat Monaghan
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Graham Kerr Building, Glasgow G12 8QQ, UK
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13
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Moran NP, Sánchez‐Tójar A, Schielzeth H, Reinhold K. Poor nutritional condition promotes high‐risk behaviours: a systematic review and meta‐analysis. Biol Rev Camb Philos Soc 2020; 96:269-288. [DOI: 10.1111/brv.12655] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 09/09/2020] [Accepted: 09/10/2020] [Indexed: 12/12/2022]
Affiliation(s)
- Nicholas P. Moran
- Evolutionary Biology Bielefeld University Morgenbreede 45 Bielefeld 33615 Germany
- Centre for Ocean Life DTU‐Aqua Technical University of Denmark Building 201, Kemitorvet Kgs. Lyngby 2800 Denmark
| | | | - Holger Schielzeth
- Institute of Ecology and Evolution Friedrich Schiller University Jena Dornburger Straße 159 Jena 07743 Germany
| | - Klaus Reinhold
- Evolutionary Biology Bielefeld University Morgenbreede 45 Bielefeld 33615 Germany
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14
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Oswald P, Tunnat BA, Hahn LG, Caspers BA. There is no place like home: Larval habitat type and size affect risk‐taking behaviour in fire salamander larvae (
Salamandra salamandra
). Ethology 2020. [DOI: 10.1111/eth.13070] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Pia Oswald
- Department of Behavioural Ecology Bielefeld University Bielefeld Germany
| | - Benjamin A. Tunnat
- Department of Behavioural Ecology Bielefeld University Bielefeld Germany
| | - Luca G. Hahn
- Institute of Zoology University of Cologne Cologne Germany
| | - Barbara A. Caspers
- Department of Behavioural Ecology Bielefeld University Bielefeld Germany
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15
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Bright Ross JG, Newman C, Buesching CD, Macdonald DW. What lies beneath? Population dynamics conceal pace-of-life and sex ratio variation, with implications for resilience to environmental change. GLOBAL CHANGE BIOLOGY 2020; 26:3307-3324. [PMID: 32243650 DOI: 10.1111/gcb.15106] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 03/07/2020] [Indexed: 06/11/2023]
Abstract
Life-history and pace-of-life syndrome theory predict that populations are comprised of individuals exhibiting different reproductive schedules and associated behavioural and physiological traits, optimized to prevailing social and environmental factors. Changing weather and social conditions provide in situ cues altering this life-history optimality; nevertheless, few studies have considered how tactical, sex-specific plasticity over an individual's lifespan varies in wild populations and influences population resilience. We examined the drivers of individual life-history schedules using 31 years of trapping data and 28 years of pedigree for the European badger (Meles meles L.), a long-lived, iteroparous, polygynandrous mammal that exhibits heterochrony in the timing of endocrinological puberty in male cubs. Our top model for the effects of environmental (social and weather) conditions during a badger's first year on pace-of-life explained <10% of variance in the ratio of fertility to age at first reproduction (F/α) and lifetime reproductive success. Conversely, sex ratio (SR) and sex-specific density explained 52.8% (males) and 91.0% (females) of variance in adult F/α ratios relative to the long-term population median F/α. Weather primarily affected the sexes at different life-history stages, with energy constraints limiting the onset of male reproduction but playing a large role in female strategic energy allocation, particularly in relation to ongoing mean temperature increases. Furthermore, the effects of social factors on age of first reproduction and year-to-year reproductive success covaried differently with sex, likely due to sex-specific responses to potential mate availability. For females, low same-sex densities favoured early primiparity; for males, instead, up to 10% of yearlings successfully mated at high same-sex densities. We observed substantial SR dynamism relating to differential mortality of life-history strategists within the population, and propose that shifting ratios of 'fast' and 'slow' life-history strategists contribute substantially to population dynamics and resilience to changing conditions.
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Affiliation(s)
- Julius G Bright Ross
- Wildlife Conservation Research Unit, The Recanati-Kaplan Centre, Department of Zoology, University of Oxford, Oxford, UK
| | - Chris Newman
- Wildlife Conservation Research Unit, The Recanati-Kaplan Centre, Department of Zoology, University of Oxford, Oxford, UK
| | - Christina D Buesching
- Wildlife Conservation Research Unit, The Recanati-Kaplan Centre, Department of Zoology, University of Oxford, Oxford, UK
| | - David W Macdonald
- Wildlife Conservation Research Unit, The Recanati-Kaplan Centre, Department of Zoology, University of Oxford, Oxford, UK
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16
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Jablonszky M, Krenhardt K, Markó G, Szász E, Hegyi G, Herényi M, Kötél D, Laczi M, Nagy G, Rosivall B, Török J, Garamszegi LZ. A behavioural trait displayed in an artificial novel environment correlates with dispersal in a wild bird. Ethology 2020. [DOI: 10.1111/eth.13005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Mónika Jablonszky
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - Katalin Krenhardt
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - Gábor Markó
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
- Department of Plant Pathology Szent István University Budapest Hungary
| | - Eszter Szász
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - Gergely Hegyi
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - Márton Herényi
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
- Department of Zoology and Animal Ecology Szent István University Gödöllő Hungary
| | - Dóra Kötél
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - Miklós Laczi
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - Gergely Nagy
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - Balázs Rosivall
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - János Török
- Behavioural Ecology Group Department of Systematic Zoology and Ecology Eötvös Loránd University Budapest Hungary
| | - László Zsolt Garamszegi
- MTA‐ELTE Theoretical Biology and Evolutionary Ecology Research Group Institute of Physics Eötvös Loránd University Budapest Hungary
- Department of Evolutionary Ecology Estación Biológica de Doñana‐CSIC Seville Spain
- Institute of Ecology and Botany Centre for Ecological Research Hungarian Academy of Sciences Vácrátót Hungary
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17
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Delval I, Fernández-Bolaños M, Izar P. A longitudinal assessment of behavioral development in wild capuchins: Personality is not established in the first 3 years. Am J Primatol 2020; 82:e23116. [PMID: 32096276 DOI: 10.1002/ajp.23116] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 02/01/2020] [Accepted: 02/09/2020] [Indexed: 12/25/2022]
Abstract
Animal personality is defined as consistent individual differences across time and situations, but little is known about how or when those differences are established during development. Likewise, several studies described the personality structure of adult capuchin monkeys, without assessing the ontogeny of these personality traits. We analyzed the behavioral repertoire of 12 wild infants (9 males, 3 females) yellow-breasted capuchin monkeys (Sapajus xanthosternos), in Una Biological Reserve (Bahia, Brazil). Each infant was observed and filmed weekly from birth until 36 months, through daily focal sampling. We analyzed the behavior of each individual in 10 developmental points. By means of component reduction (principal component analysis), we obtained four behavioral traits: Sociability, Anxiety, Openness, and Activity. We investigated whether there were developmental effects on those traits by fitting regression models for the effect of time on behavioral traits, controlling for monkey identity, sex, and cohort. Sociability (decreasing) and Anxiety (increasing) changed significantly along development. By means of repeatability analysis, we did not find intra-individual consistency across time in those traits, so we cannot discriminate stable personality traits in early ontogeny. Our results show that the personality structure of capuchin monkeys is not established during early development, in agreement with the literature on human personality.
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Affiliation(s)
- Irene Delval
- Department of Experimental Psychology, Institute of Psychology, University of São Paulo (IP-USP), São Paulo, SP, Brazil
| | - Marcelo Fernández-Bolaños
- Department of Experimental Psychology, Institute of Psychology, University of São Paulo (IP-USP), São Paulo, SP, Brazil
| | - Patrícia Izar
- Department of Experimental Psychology, Institute of Psychology, University of São Paulo (IP-USP), São Paulo, SP, Brazil
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18
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Köhler G, Schielzeth H. Green-brown polymorphism in alpine grasshoppers affects body temperature. Ecol Evol 2020; 10:441-450. [PMID: 31988736 PMCID: PMC6972831 DOI: 10.1002/ece3.5908] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 11/05/2019] [Accepted: 11/18/2019] [Indexed: 11/06/2022] Open
Abstract
Ectothermic animals depend on external heat sources for pursuing their daily activities. However, reaching sufficiently high temperature can be limiting at high altitudes, where nights are cold and seasons short. We focus on the role of a green-brown color polymorphism in grasshoppers from alpine habitats. The green-brown polymorphism is phylogenetically and spatially widespread among Orthopterans and the eco-evolutionary processes that contribute to its maintenance have not yet been identified.We here test whether green and brown individuals heat up to different temperatures under field conditions. If they do, this would suggest that thermoregulatory capacity might contribute to the maintenance of the green-brown polymorphism.We recorded thorax temperatures of individuals sampled and measured under field conditions. Overall, thorax temperatures ranged 1.7-42.1°C. Heat up during morning hours was particularly rapid, and temperatures stabilized between 31 and 36°C during the warm parts of the day. Female body temperatures were significantly higher than body temperatures of males by an average of 2.4°C. We also found that brown morphs were warmer by 1.5°C on average, a pattern that was particularly supported in the polymorphic club-legged grasshopper Gomphocerus sibiricus and the meadow grasshopper Pseudochorthippus parallelus.The difference in body temperature between morphs might lead to fitness differences that can contribute to the maintenance of the color polymorphism in combination with other components, such as crypsis, that functionally trade-off with the ability to heat up. The data may be of more general relevance to the maintenance of a high prevalence polymorphism in Orthopteran insects.
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Affiliation(s)
- Günter Köhler
- Population Ecology GroupInstitute of Ecology and EvolutionFriedrich Schiller University JenaJenaGermany
| | - Holger Schielzeth
- Population Ecology GroupInstitute of Ecology and EvolutionFriedrich Schiller University JenaJenaGermany
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Horváth G, Rodríguez‐Ruiz G, Martín J, López P, Herczeg G. Maternal diet affects juvenile Carpetan rock lizard performance and personality. Ecol Evol 2019; 9:14476-14488. [PMID: 31938534 PMCID: PMC6953655 DOI: 10.1002/ece3.5882] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 10/14/2019] [Accepted: 11/03/2019] [Indexed: 11/07/2022] Open
Abstract
Differences in both stable and labile state variables are known to affect the emergence and maintenance of consistent interindividual behavioral variation (animal personality or behavioral syndrome), especially when experienced early in life. Variation in environmental conditions experienced by gestating mothers (viz. nongenetic maternal effects) is known to have significant impact on offspring condition and behavior; yet, their effect on behavioral consistency is not clear. Here, by applying an orthogonal experimental design, we aimed to study whether increased vitamin D3 content in maternal diet during gestation (vitamin-supplemented vs. vitamin control treatments) combined with corticosterone treatment (corticosterone-treated vs. corticosterone control treatments) applied on freshly hatched juveniles had an effect on individual state and behavioral consistency of juvenile Carpetan rock lizards (Iberolacerta cyreni). We tested the effect of our treatments on (a) climbing speed and the following levels of behavioral variation, (b) strength of animal personality (behavioral repeatability), (c) behavioral type (individual mean behavior), and (d) behavioral predictability (within-individual behavioral variation unrelated to environmental change). We found higher locomotor performance of juveniles from the vitamin-supplemented group (42.4% increase), irrespective of corticosterone treatment. While activity personality was present in all treatments, shelter use personality was present only in the vitamin-supplemented × corticosterone-treated treatment and risk-taking personality was present in corticosterone control treatments. Contrary to our expectations, behavioral type was not affected by our treatments, indicating that individual quality can affect behavioral strategies without affecting group-level mean behavior. Behavioral predictability decreased in individuals with low climbing speed, which could be interpreted as a form of antipredator strategy. Our results clearly demonstrate that maternal diet and corticosterone treatment have the potential to induce or hamper between-individual variation in different components of boldness, often in interactions.
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Affiliation(s)
- Gergely Horváth
- Behavioural Ecology GroupDepartment of Systematic Zoology and EcologyEötvös Loránd UniversityBudapestHungary
| | | | - José Martín
- Department of Evolutionary EcologyMuseo Nacional de Ciencias NaturalesCSICMadridSpain
| | - Pilar López
- Department of Evolutionary EcologyMuseo Nacional de Ciencias NaturalesCSICMadridSpain
| | - Gábor Herczeg
- Behavioural Ecology GroupDepartment of Systematic Zoology and EcologyEötvös Loránd UniversityBudapestHungary
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20
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Richardson KM, Parlato EH, Walker LK, Parker KA, Ewen JG, Armstrong DP. Links between personality, early natal nutrition and survival of a threatened bird. Philos Trans R Soc Lond B Biol Sci 2019; 374:20190373. [PMID: 31352895 DOI: 10.1098/rstb.2019.0373] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
There is growing recognition that variation in animal personality traits can influence survival and reproduction rates, and consequently may be important for wildlife population dynamics. Despite this, the integration of personality research into conservation has remained uncommon. Alongside the establishment of personality as an important source of individual variation has come an increasing interest in factors affecting the development of personality. Recent work indicates the early environment, including natal nutrition, may play a stronger role in the development of personality than previously thought. In this study, we investigated the importance of three personality metrics (activity, boldness and acclimation time) for estimating survival of a threatened species, the hihi (Notiomystis cincta), and evaluated the influence of early natal nutrition on those metrics. Our results showed that boldness (as measured from a one-off cage test) had a positive effect on the probability of juvenile hihi surviving to adulthood. There was also a tendency for juveniles that received carotenoid supplementation in the nest to be bolder than those that did not, suggesting that the early environment had some influence on the expression of boldness in juvenile hihi. Linking the development of personality traits with ultimate effects on vital rates may benefit conservation management, as it could enable developmentally targeted management interventions. To our knowledge, this study is the first to identify potential linkages between early natal nutrition, personality and fitness in a wild-living population. This article is part of the theme issue 'Linking behaviour to dynamics of populations and communities: application of novel approaches in behavioural ecology to conservation'.
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Affiliation(s)
- Kate M Richardson
- Wildlife Ecology Group, Massey University, Private Bag 11222, Palmerston North, New Zealand
| | - Elizabeth H Parlato
- Wildlife Ecology Group, Massey University, Private Bag 11222, Palmerston North, New Zealand
| | - Leila K Walker
- Institute of Zoology, Zoological Society of London, Regent's Park, London, UK.,Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK
| | - Kevin A Parker
- Parker Conservation, PO Box 130, Warkworth, Auckland, New Zealand
| | - John G Ewen
- Institute of Zoology, Zoological Society of London, Regent's Park, London, UK
| | - Doug P Armstrong
- Wildlife Ecology Group, Massey University, Private Bag 11222, Palmerston North, New Zealand
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21
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Kelleher SR, Silla AJ, Niemelä PT, Dingemanse NJ, Byrne PG. Dietary carotenoids affect the development of individual differences and behavioral plasticity. Behav Ecol 2019. [DOI: 10.1093/beheco/arz074] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
AbstractNutritional conditions experienced during development are expected to play a key role in shaping an individual’s behavioral phenotype. The long term, irreversible effects of nutritional conditions on behavioral variation among and within individuals remains largely unexplored. This study aimed to investigate how long-term carotenoid availability (representing low vs. high quality nutritional conditions) during both larval and adult life stages influences the expression of among-individual variation (animal personality) and within-individual variation (behavioral plasticity). We tested for personality and plasticity along the exploration/avoidance behavioral axis in the Southern Corroboree frog (Pseudophryne corroboree). We predicted that treatment groups receiving carotenoids during early development would be more exploratory and have greater among- and within-individual variation compared with individuals that did not receive carotenoids (i.e., silver spoon hypothesis). Superior nutritional conditions experienced during development are expected to provide individuals with resources needed to develop costly behaviors, giving them an advantage later in life irrespective of prevailing conditions. Unexpectedly, frogs that did not receive carotenoids as larvae expressed greater among-individual variance in exploration behavior. Additionally, frogs that did not receive carotenoids at either life stage displayed greater within-individual variance. Our findings provide no support for the silver spoon hypothesis but suggest that inconsistent nutritional conditions between life stages may adversely affect the development of behavioral phenotypes. Overall, our results indicate that early and late life nutritional conditions affect the development of personality and plasticity. They also highlight that nutritional effects on behavior may be more complex than previously theorized.
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Affiliation(s)
- Shannon R Kelleher
- School of Earth, Atmospheric and Life Sciences, University of Wollongong, Wollongong, New South Wales, Australia
| | - Aimee J Silla
- School of Earth, Atmospheric and Life Sciences, University of Wollongong, Wollongong, New South Wales, Australia
| | - Petri T Niemelä
- Behavioural Ecology, Department of Biology, Ludwig-Maximilians University of Munich, Planegg-Martinsried, Germany
| | - Niels J Dingemanse
- Behavioural Ecology, Department of Biology, Ludwig-Maximilians University of Munich, Planegg-Martinsried, Germany
| | - Phillip G Byrne
- School of Earth, Atmospheric and Life Sciences, University of Wollongong, Wollongong, New South Wales, Australia
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22
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Giraudeau M, Angelier F, Sepp T. Do Telomeres Influence Pace-of-Life-Strategies in Response to Environmental Conditions Over a Lifetime and Between Generations? Bioessays 2019; 41:e1800162. [DOI: 10.1002/bies.201800162] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 12/06/2018] [Indexed: 12/21/2022]
Affiliation(s)
- Mathieu Giraudeau
- CREEC; 911 Avenue Agropolis; BP 6450134394 Montpellier Cedex 5 France
- MIVEGEC; UMR IRD/CNRS/UM 5290; 911 Avenue Agropolis, BP 6450134394 Montpellier Cedex 5 France
| | - Frederic Angelier
- CNRS CEBC-ULR; UMR 7372; Villiers en Bois 79360 Beauvoir sur Niort France
| | - Tuul Sepp
- Institute of Ecology and Earth Sciences; University of Tartu; Vanemuise 46 51014 Tartu Estonia
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23
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Jones NA, Webster M, Templeton CN, Schuster S, Rendell L. Presence of an audience and consistent interindividual differences affect archerfish shooting behaviour. Anim Behav 2018. [DOI: 10.1016/j.anbehav.2018.04.024] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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24
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Amat I, Desouhant E, Gomes E, Moreau J, Monceau K. Insect personality: what can we learn from metamorphosis? CURRENT OPINION IN INSECT SCIENCE 2018; 27:46-51. [PMID: 30025634 DOI: 10.1016/j.cois.2018.02.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 02/08/2018] [Accepted: 02/09/2018] [Indexed: 06/08/2023]
Abstract
Ontogeny of animal personality is still an open question. Testing whether personality traits correlated with state variables (e.g. metabolic rate, hormones) and/or life history traits, and which ones are involved, requires more empirical studies. Insects with metamorphosis represent a good opportunity to tackle this question. Because of the various degrees of internal (physiological, nervous) and environmental changes linked to metamorphosis they allow testing whether these modifications drive consistency in personality traits between immature and adult stages. In this review, we establish general predictions for the effects of metamorphosis on personality in insects with complete or incomplete metamorphosis and suffering from a strong or weak niche shift after metamorphosis. We then reviewed the still rare empirical literature and discuss future research axes.
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Affiliation(s)
- Isabelle Amat
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Laboratoire de Biométrie et Biologie Evolutive, 69100 Villeurbanne, France.
| | - Emmanuel Desouhant
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Laboratoire de Biométrie et Biologie Evolutive, 69100 Villeurbanne, France
| | - Elisa Gomes
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, Laboratoire de Biométrie et Biologie Evolutive, 69100 Villeurbanne, France
| | - Jérôme Moreau
- UMR CNRS 6282 Biogéosciences, Equipe Ecologie Evolutive, Université de Bourgogne-Franche-Comté, 21000 Dijon, France
| | - Karine Monceau
- Centre d'Etudes Biologiques de Chizé, UMR 7372 CNRS, Université de la Rochelle, 79360 Villiers en Bois, France
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25
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Hardman SI, Dalesman S. Repeatability and degree of territorial aggression differs among urban and rural great tits (Parus major). Sci Rep 2018; 8:5042. [PMID: 29568056 PMCID: PMC5864914 DOI: 10.1038/s41598-018-23463-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Accepted: 03/13/2018] [Indexed: 11/09/2022] Open
Abstract
Animals in urban habitats face many novel selection pressures such as increased human population densities and human disturbance. This is predicted to favour bolder and more aggressive individuals together with greater flexibility in behaviour. Previous work has focussed primarily on studying these traits in captive birds and has shown increased aggression and reduced consistency between traits (behavioural syndromes) in birds from urban populations. However, personality (consistency within a behavioural trait) has not been well studied in the wild. Here we tested whether urban free-living male great tits show greater territorial aggression than rural counterparts. We also tested predictions that both behavioural syndromes and personality would show lower consistency in urban populations. We found that urban populations were more aggressive than rural populations and urban birds appeared to show lower levels of individual behavioural repeatability (personality) as predicted. However, we found no effect of urbanisation on behavioural syndromes (correlations between multiple behavioural traits). Our results indicate that urban environments may favour individuals which exhibit increased territorial aggression and greater within-trait flexibility which may be essential to success in holding urban territories. Determining how urban environments impact key fitness traits will be important in predicting how animals cope with ongoing urbanisation.
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Affiliation(s)
- Samuel I Hardman
- The Institute of Biological, Environmental and Rural Sciences, Aberystwyth University, Aberystwyth, SY23 3DA, UK. .,Communication and Social Behaviour Group, Max Planck Institute for Ornithology, 82319, Seewiesen, Germany.
| | - Sarah Dalesman
- The Institute of Biological, Environmental and Rural Sciences, Aberystwyth University, Aberystwyth, SY23 3DA, UK
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26
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Unravelling the relationships between life history, behaviour and condition under the pace-of-life syndromes hypothesis using long-term data from a wild bird. Behav Ecol Sociobiol 2018. [DOI: 10.1007/s00265-018-2461-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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27
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28
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Krause ET, Krüger O, Hoffman JI. The influence of inherited plumage colour morph on morphometric traits and breeding investment in zebra finches (Taeniopygia guttata). PLoS One 2017; 12:e0188582. [PMID: 29190647 PMCID: PMC5708660 DOI: 10.1371/journal.pone.0188582] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Accepted: 11/09/2017] [Indexed: 12/18/2022] Open
Abstract
Melanin-based plumage polymorphism occurs in many wild bird populations and has been linked to fitness variation in several species. These fitness differences often arise as a consequence of variation in traits such as behaviour, immune responsiveness, body size and reproductive investment. However, few studies have controlled for genetic differences between colour morphs that could potentially generate artefactual associations between plumage colouration and trait variation. Here, we used zebra finches (Taeniopygia guttata) as a model system in order to evaluate whether life-history traits such as adult body condition and reproductive investment could be influenced by plumage morph. To maximise any potential differences, we selected wild-type and white plumage morphs, which differ maximally in their extent of melanisation, while using a controlled three-generation breeding design to homogenise the genetic background. We found that F2 adults with white plumage colouration were on average lighter and had poorer body condition than wild-type F2 birds. However, they appeared to compensate for this by reproducing earlier and producing heavier eggs relative to their own body mass. Our study thus reveals differences in morphological and life history traits that could be relevant to fitness variation, although further studies will be required to evaluate fitness effects under natural conditions as well as to characterise any potential fitness costs of compensatory strategies in white zebra finches.
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Affiliation(s)
- E. Tobias Krause
- Department of Animal Behaviour, Bielefeld University, Bielefeld, Germany
- Institute of Animal Welfare and Animal Husbandry, Friedrich-Loeffler-Institut, Celle, Germany
- * E-mail:
| | - Oliver Krüger
- Department of Animal Behaviour, Bielefeld University, Bielefeld, Germany
| | - Joseph I. Hoffman
- Department of Animal Behaviour, Bielefeld University, Bielefeld, Germany
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29
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Krause ET, Krüger O, Pogány Á. Zebra finch nestlings, rather than parents, suffer from raising broods under low nutritional conditions. Behav Ecol Sociobiol 2017. [DOI: 10.1007/s00265-017-2382-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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30
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Honarmand M, Krause ET, Naguib M. Implications of nutritional stress as nestling or fledgling on subsequent attractiveness and fecundity in zebra finches ( Taeniopygia guttata). PeerJ 2017; 5:e3628. [PMID: 28852585 PMCID: PMC5572542 DOI: 10.7717/peerj.3628] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 07/10/2017] [Indexed: 11/20/2022] Open
Abstract
The conditions an organism experiences during early development can have profound and long lasting effects on its subsequent behavior, attractiveness, and life history decisions. Most previous studies have exposed individuals to different conditions throughout development until nutritional independence. Yet under natural conditions, individuals may experience limitations for much shorter periods due to transient environmental fluctuations. Here, we used zebra finches (Taeniopygia guttata) in captivity to determine if conditions experienced during distinctly different early developmental phases contribute differently to male and female attractiveness and subsequent reproduction. We conducted a breeding experiment in which offspring were exposed to food regimes with (a) low quality food provided only during the nestling period, (b) low quality food provided only during the fledgling period, or (c) high quality food throughout early development. We show that despite short-term effects on biometry and physiology, there were no effects on either male or female attractiveness, as tested in two-way mate choice free-flight aviary experiments. In a subsequent breeding experiment, the offspring from the initial experiment were allowed to breed themselves. The next generation offspring from mothers raised under lower quality nutrition as either nestling or fledging were lighter at hatching compared to offspring from mothers raised under higher quality nutrition whereas paternal early nutrition had no such effects. The lack of early developmental limitations on attractiveness suggests that attractiveness traits were not affected or that birds compensated for any such effects. Furthermore, maternal trans-generational effects of dietary restrictions emphasize the importance of role of limited periods of early developmental stress in the expression of environmentally determined fitness components.
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Affiliation(s)
- Mariam Honarmand
- Department of Animal Behaviour, Bielefeld University, Bielefeld, Germany
| | - E Tobias Krause
- Department of Animal Behaviour, Bielefeld University, Bielefeld, Germany.,Institute of Animal Welfare and Animal Husbandry, Friedrich-Loeffler-Institut, Celle, Germany
| | - Marc Naguib
- Department of Animal Behaviour, Bielefeld University, Bielefeld, Germany.,Behavioural Ecology Group, Wageningen University & Research, Wageningen, The Netherlands
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