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Cuervo JJ, Morales J, Soler JJ, Moreno J. Sexual selection, feather wear, and time constraints on the pre-basic molt explain the acquisition of the pre-alternate molt in European passerines. Ecol Evol 2022; 12:e9260. [PMID: 36091343 PMCID: PMC9448967 DOI: 10.1002/ece3.9260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 08/10/2022] [Indexed: 11/06/2022] Open
Abstract
Avian feathers need to be replaced periodically to fulfill their functions, with natural, social, and sexual selection presumably driving the evolution of molting strategies. In temperate birds, a common pattern is to molt feathers immediately after the breeding season, the pre-basic molt. However, some species undergo another molt in winter-spring, the pre-alternate molt. Using a sample of 188 European passerine species, Bayesian phylogenetic mixed models, and correlated evolution analyses, we tested whether the occurrence of the pre-alternate molt was positively associated with proxies for sexual selection (sexual selection hypothesis) and nonsexual social selection (social selection hypothesis), and with factors related to feather wear (feather wear hypothesis) and time constraints on the pre-basic molt (time constraints hypothesis). We found that the pre-alternate molt was more frequent in migratory and less gregarious species inhabiting open/xeric habitats and feeding on the wing, and marginally more frequent in species with strong sexual selection and those showing a winter territorial behavior. Moreover, an increase in migratory behavior and sexual selection intensity preceded the acquisition of the pre-alternate molt. These results provide support for the feather wear hypothesis, partial support for the sexual selection and time constraints hypotheses, and no support for the social selection hypothesis.
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Affiliation(s)
- José J. Cuervo
- Department of Evolutionary EcologyMuseo Nacional de Ciencias Naturales (MNCN‐CSIC)MadridSpain
| | - Judith Morales
- Department of Evolutionary EcologyMuseo Nacional de Ciencias Naturales (MNCN‐CSIC)MadridSpain
| | - Juan J. Soler
- Department of Functional and Evolutionary EcologyEstación Experimental de Zonas Áridas (EEZA‐CSIC)AlmeríaSpain
| | - Juan Moreno
- Department of Evolutionary EcologyMuseo Nacional de Ciencias Naturales (MNCN‐CSIC)MadridSpain
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2
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Pageau C, Sonnleitner J, Tonra CM, Shaikh M, Reudink MW. Evolution of winter molting strategies in European and North American migratory passerines. Ecol Evol 2021; 11:13247-13258. [PMID: 34646466 PMCID: PMC8495808 DOI: 10.1002/ece3.8047] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 07/15/2021] [Accepted: 08/05/2021] [Indexed: 11/09/2022] Open
Abstract
Molt is critical for birds as it replaces damaged feathers and worn plumage, enhancing flight performance, thermoregulation, and communication. In passerines, molt generally occurs on the breeding grounds during the postbreeding period once a year. However, some species of migrant passerines that breed in the Nearctic and Western Palearctic regions have evolved different molting strategies that involve molting on the overwintering grounds. Some species forego molt on the breeding grounds and instead complete their prebasic molt on the overwintering grounds. Other species molt some or all feathers a second time (prealternate molt) during the overwintering period. Using phylogenetic analyses, we explored the potential drivers of the evolution of winter molts in Nearctic and Western Palearctic breeding passerines. Our results indicate an association between longer photoperiods and the presence of prebasic and prealternate molts on the overwintering grounds for both Nearctic and Western Palearctic species. We also found a relationship between prealternate molt and generalist and water habitats for Western Palearctic species. Finally, the complete prealternate molt in Western Palearctic passerines was linked to longer days on the overwintering grounds and longer migration distance. Longer days may favor the evolution of winter prebasic molt by increasing the time window when birds can absorb essential nutrients for molt. Alternatively, for birds undertaking a prealternate molt at the end of the overwintering period, longer days may increase exposure to feather-degrading ultra-violet radiation, necessitating the replacement of feathers. Our study underlines the importance of the overwintering grounds in the critical process of molt for many passerines that breed in the Nearctic and Western Palearctic regions.
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Affiliation(s)
- Claudie Pageau
- Department of Biological SciencesThompson Rivers UniversityKamloopsBCCanada
| | - Jared Sonnleitner
- Department of Biological SciencesThompson Rivers UniversityKamloopsBCCanada
| | - Christopher M. Tonra
- School of Environment and Natural ResourcesThe Ohio State UniversityColumbusOhioUSA
| | - Mateen Shaikh
- Department of Mathematics & StatisticsThompson Rivers UniversityKamloopsBCCanada
| | - Matthew W. Reudink
- Department of Biological SciencesThompson Rivers UniversityKamloopsBCCanada
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3
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Delhey K, Guallar S, Rueda-Hernández R, Valcu M, Wang D, Kempenaers B. Partial or complete? The evolution of post-juvenile moult strategies in passerine birds. J Anim Ecol 2020; 89:2896-2908. [PMID: 32979275 DOI: 10.1111/1365-2656.13354] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 08/19/2020] [Indexed: 10/23/2022]
Abstract
Moulting strategies in birds have evolved to avoid overlap with, or prepare for, other demanding parts of the annual cycle, such as reproduction or migration. When moulting for the first time after leaving the nest, young birds replace their typically poor-quality plumage during the post-juvenile moult. The extent of this moult varies between species from partial to complete. Earlier studies, restricted to Western Palearctic birds, suggest that in most species a complete post-juvenile moult may not be possible simply because young birds are constrained by not having the same access to resources as adults, unless environmental conditions are favourable. These studies also show that complete post-juvenile moult is more common in species with poor-quality nest-grown plumage. We expanded the spatial and taxonomic scope of previous studies to 1,315 species of passerines from across the world and considered both the role of constraints, plumage quality and other selective pressures favouring a complete post-juvenile moult. Thus, we test whether complete moult is more prevalent in species where nest-grown feathers are presumably of poor quality (shorter nestling period), that live in environments that foster quick plumage degradation (open habitats, high insolation and humidity), and where males are under strong sexual selection. Our data reveal that 24% of species carry out a complete post-juvenile moult, and that this trait has a strong phylogenetic signal. Complete moult is more common in species that inhabit warmer regions and open habitats, show no delayed plumage maturation and have higher levels of sexual dichromatism (indicative of strong sexual selection). Neither the presumed quality of the nest-grown plumage nor living in regions with high insolation correlates with complete moult. In conclusion, the evolution of complete post-juvenile moult not only depends on whether birds can perform a complete moult (i.e. suitable environmental conditions) but also on the strength of selection associated with the need of a complete moult. In particular, the necessity to keep the plumage in good condition in challenging environments and the benefits associated with producing adult-like plumage colours to attract mates or deter rivals seem to play an important role.
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Affiliation(s)
- Kaspar Delhey
- Max Planck Institute for Ornithology, Seewiesen, Germany.,School of Biological Sciences, Monash University, Clayton, Vic., Australia
| | - Santiago Guallar
- Department de Vertebrats, Museu de Ciències Naturals de Barcelona, Barcelona, Spain
| | - Rafael Rueda-Hernández
- Departamento de Biología Evolutiva, Facultad de Ciencias, Universidad Nacional Autónoma de México, México DF, México
| | - Mihai Valcu
- Max Planck Institute for Ornithology, Seewiesen, Germany
| | - Daiping Wang
- Max Planck Institute for Ornithology, Seewiesen, Germany
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Kiat Y, Izhaki I, Sapir N. The effects of long-distance migration on the evolution of moult strategies in Western-Palearctic passerines. Biol Rev Camb Philos Soc 2018; 94:700-720. [PMID: 30334341 DOI: 10.1111/brv.12474] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2017] [Revised: 09/16/2018] [Accepted: 09/25/2018] [Indexed: 01/19/2023]
Abstract
Although feathers are the unifying characteristic of all birds, our understanding of the causes, mechanisms, patterns and consequences of the feather moult process lags behind that of other major avian life-history phenomena such as reproduction and long-distance migration. Migration, which evolved in many species of the temperate and arctic zones, requires high energy expenditure to endure long-distance journeys. About a third of Western-Palearctic passerines perform long-distance migrations of thousands of kilometres each year using various morphological, physiological, biomechanical, behavioural and life-history adaptations. The need to include the largely non-overlapping breeding, long-distance migration and feather moult processes within the annual cycle imposes a substantial constraint on the time over which the moult process can take place. Here, we review four feather-moult-related adaptations which, likely due to time constraints, evolved among long-distance Western-Palearctic migrants: (i) increased moult speed; (ii) increased overlap between moult and breeding or migration; (iii) decreased extent of plumage moult; and (iv) moult of part or all of the plumage during the over-wintering period in the tropics rather than in the breeding areas. We suggest that long-distance migration shaped the evolution of moult strategies and increased the diversity of these strategies among migratory passerines. In contrast to this variation, all resident passerines in the Western Palearctic moult immediately after breeding by renewing the entire plumage of adults and in some species also juveniles, while in other species juvenile moult is partial. We identify important gaps in our current understanding of the moult process that should be addressed in the future. Notably, previous studies suggested that the ancestral moult strategy is a post-breeding summer moult in the Western Palearctic breeding areas and that moult during the winter evolved due to the scheduling of long-distance migration immediately after breeding. We offer an alternative hypothesis based on the notion of southern ancestry, proposing that the ancestral moult strategy was a complete moult during the 'northern winter' in the Afro-tropical region in these species, for both adults and juveniles. An important aspect of the observed variation in moult strategies relates to their control mechanisms and we suggest that there is insufficient knowledge regarding the physiological mechanisms that are involved, and whether they are genetically fixed or shaped by environmental factors. Finally, research effort is needed on how global climate changes may influence avian annual routines by altering the scheduling of major processes such as long-distance migration and feather moult.
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Affiliation(s)
- Yosef Kiat
- Department of Evolutionary and Environmental Biology and Institute of Evolution, University of Haifa 199 Aba Khoushy Avenue, Mount Carmel 3498838, Haifa, Israel
| | - Ido Izhaki
- Department of Evolutionary and Environmental Biology and Institute of Evolution, University of Haifa 199 Aba Khoushy Avenue, Mount Carmel 3498838, Haifa, Israel
| | - Nir Sapir
- Department of Evolutionary and Environmental Biology and Institute of Evolution, University of Haifa 199 Aba Khoushy Avenue, Mount Carmel 3498838, Haifa, Israel
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Achache Y, Sapir N, Elimelech Y. Hovering hummingbird wing aerodynamics during the annual cycle. II. Implications of wing feather moult. ROYAL SOCIETY OPEN SCIENCE 2018; 5:171766. [PMID: 29515884 PMCID: PMC5830773 DOI: 10.1098/rsos.171766] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2017] [Accepted: 01/10/2018] [Indexed: 05/14/2023]
Abstract
Birds usually moult their feathers in a particular sequence which may incur aerodynamic, physiological and behavioural implications. Among birds, hummingbirds are unique species in their sustained hovering flight. Because hummingbirds frequently hover-feed, they must maintain sufficiently high flight capacities even when moulting their flight feathers. A hummingbird wing consists of 10 primary flight feathers whose absence during moult may strongly affect wing performance. Using dynamic similarity rules, we compared time-accurate aerodynamic loads and flow field measurements over several wing geometries that follow the natural feather moult sequence of Calypte anna, a common hummingbird species in western North America. Our results suggest a drop of more than 20% in lift production during the early stages of the moult sequence in which mid-wing flight feathers are moulted. We also found that the wing's ability to generate lift strongly depended on the morphological integrity of the outer primaries and leading-edge. These findings may explain the evolution of wing morphology and moult attributes. Specifically, the high overlap between adjacent wing feathers, especially at the wing tip, and the slow sequential replacement of the wing feathers result in a relatively small reduction in wing surface area during moult with limited aerodynamic implications. We present power and efficiency analyses for hover flight during moult under several plausible scenarios, suggesting that body mass reduction could be a compensatory mechanism that preserves the energetic costs of hover flight.
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Affiliation(s)
- Yonathan Achache
- TASP—Technion Autonomous Systems Program, Technion - Israel Institute of Technology, Haifa, Israel
| | - Nir Sapir
- Animal Flight Laboratory, Department of Evolutionary and Environmental Biology, University of Haifa, Haifa, Israel
| | - Yossef Elimelech
- TASP—Technion Autonomous Systems Program, Technion - Israel Institute of Technology, Haifa, Israel
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6
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Higginson DM, Belloni V, Davis SN, Morrison ES, Andrews JE, Badyaev AV. Evolution of long-term coloration trends with biochemically unstable ingredients. Proc Biol Sci 2017; 283:rspb.2016.0403. [PMID: 27194697 DOI: 10.1098/rspb.2016.0403] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Accepted: 04/21/2016] [Indexed: 12/16/2022] Open
Abstract
The evolutionarily persistent and widespread use of carotenoid pigments in animal coloration contrasts with their biochemical instability. Consequently, evolution of carotenoid-based displays should include mechanisms to accommodate or limit pigment degradation. In birds, this could involve two strategies: (i) evolution of a moult immediately prior to the mating season, enabling the use of particularly fast-degrading carotenoids and (ii) evolution of the ability to stabilize dietary carotenoids through metabolic modification or association with feather keratins. Here, we examine evolutionary lability and transitions between the two strategies across 126 species of birds. We report that species that express mostly unmodified, fast-degrading, carotenoids have pre-breeding moults, and a particularly short time between carotenoid deposition and the subsequent breeding season. Species that expressed mostly slow-degrading carotenoids in their plumage accomplished this through increased metabolic modification of dietary carotenoids, and the selective expression of these slow-degrading compounds. In these species, the timing of moult was not associated with carotenoid composition of plumage displays. Using repeated samples from individuals of one species, we found that metabolic modification of dietary carotenoids significantly slowed their degradation between moult and breeding season. Thus, the most complex and colourful ornamentation is likely the most biochemically stable in birds, and depends less on ecological factors, such as moult timing and migration tendency. We suggest that coevolution of metabolic modification, selective expression and biochemical stability of plumage carotenoids enables the use of unstable pigments in long-term evolutionary trends in plumage coloration.
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Affiliation(s)
- Dawn M Higginson
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA
| | - Virginia Belloni
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA
| | - Sarah N Davis
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA
| | - Erin S Morrison
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA
| | - John E Andrews
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA
| | - Alexander V Badyaev
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, USA
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7
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Guallar S, Figuerola J. Factors influencing the evolution of moult in the non-breeding season: insights from the family Motacillidae. Biol J Linn Soc Lond 2016. [DOI: 10.1111/bij.12784] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Jordi Figuerola
- Department of Wetland Ecology; Estación Biológica de Doñana; CSIC; Avda. Américo Vespucio, s/n 41092 Sevilla Spain
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8
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Saino N, Rubolini D, Serra L, Caprioli M, Morganti M, Ambrosini R, Spina F. Sex-related variation in migration phenology in relation to sexual dimorphism: a test of competing hypotheses for the evolution of protandry. J Evol Biol 2010; 23:2054-2065. [PMID: 20722895 DOI: 10.1111/j.1420-9101.2010.02068.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Timing of arrival/emergence to the breeding grounds is under contrasting natural and sexual selection pressures. Because of differences in sex roles and physiology, the balance between these pressures on either sex may differ, leading to earlier male (protandry) or female (protogyny) arrival. We test several competing hypotheses for the evolution of protandry using migration data for 22 bird species, including for the first time several monochromatic ones where sexual selection is supposedly less intense. Across species, protandry positively covaried with sexual size dimorphism but not with dichromatism. Within species, there was weak evidence that males migrate earlier because, being larger, they are less susceptible to adverse conditions. Our results do not support the 'rank advantage' and the 'differential susceptibility' hypotheses, nor the 'mate opportunity' hypothesis, which predicts covariation of protandry with dichromatism. Conversely, they are compatible with 'mate choice' arguments, whereby females use condition-dependent arrival date to assess mate quality.
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Affiliation(s)
- N Saino
- Dipartimento di Biologia, Università degli Studi di Milano, Milano, Italy.
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9
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TÖKÖLYI JÁCINT, BÓKONY VERONIKA, BARTA ZOLTÁN. Seasonal colour change by moult or by the abrasion of feather tips: a comparative study. Biol J Linn Soc Lond 2008. [DOI: 10.1111/j.1095-8312.2008.01027.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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10
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Galván I, Barba E, Piculo R, Cantó JL, Cortés V, Monrós JS, Atiénzar F, Proctor H. Feather mites and birds: an interaction mediated by uropygial gland size? J Evol Biol 2007; 21:133-144. [PMID: 18028353 DOI: 10.1111/j.1420-9101.2007.01459.x] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Feather mites (Arachnida: Acari: Astigmata) feed mainly on secretions of the uropygial gland of birds. Here, we use analyses corrected for phylogeny and body size to show that there is a positive correlation between the size of this gland and mite abundance in passerine birds at an interspecific level during the breeding season, suggesting that the gland mediates interactions between mites and birds. As predicted on the basis of hypothesized waterproofing and antibiotic functions of uropygial gland secretions, riparian/marsh bird species had larger glands and higher mite loads than birds living in less mesic terrestrial environments. An unexpected pattern was a steeper relationship between mite load and gland size in migratory birds than in residents. If moderate mite loads are beneficial to a host but high loads detrimental, this could create complex selection regimes in which gland size influences mite load and vice versa. Mites may exert selective pressures on gland size of their hosts that has resulted in smaller glands among migratory bird species, suggesting that smaller glands may have evolved in these birds to attenuate a possible detrimental effect of feather mites when present in large numbers.
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Affiliation(s)
- I Galván
- Department of Evolutionary Ecology, Museo Nacional de Ciencias Naturales (CSIC), Madrid, SpainCavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, Valencia, SpainParque Natural del Carrascal de la Font Roja, Alcoi, SpainDepartment of Biological Sciences, University of Alberta, Edmonton, AB, Canada
| | - E Barba
- Department of Evolutionary Ecology, Museo Nacional de Ciencias Naturales (CSIC), Madrid, SpainCavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, Valencia, SpainParque Natural del Carrascal de la Font Roja, Alcoi, SpainDepartment of Biological Sciences, University of Alberta, Edmonton, AB, Canada
| | - R Piculo
- Department of Evolutionary Ecology, Museo Nacional de Ciencias Naturales (CSIC), Madrid, SpainCavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, Valencia, SpainParque Natural del Carrascal de la Font Roja, Alcoi, SpainDepartment of Biological Sciences, University of Alberta, Edmonton, AB, Canada
| | - J L Cantó
- Department of Evolutionary Ecology, Museo Nacional de Ciencias Naturales (CSIC), Madrid, SpainCavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, Valencia, SpainParque Natural del Carrascal de la Font Roja, Alcoi, SpainDepartment of Biological Sciences, University of Alberta, Edmonton, AB, Canada
| | - V Cortés
- Department of Evolutionary Ecology, Museo Nacional de Ciencias Naturales (CSIC), Madrid, SpainCavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, Valencia, SpainParque Natural del Carrascal de la Font Roja, Alcoi, SpainDepartment of Biological Sciences, University of Alberta, Edmonton, AB, Canada
| | - J S Monrós
- Department of Evolutionary Ecology, Museo Nacional de Ciencias Naturales (CSIC), Madrid, SpainCavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, Valencia, SpainParque Natural del Carrascal de la Font Roja, Alcoi, SpainDepartment of Biological Sciences, University of Alberta, Edmonton, AB, Canada
| | - F Atiénzar
- Department of Evolutionary Ecology, Museo Nacional de Ciencias Naturales (CSIC), Madrid, SpainCavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, Valencia, SpainParque Natural del Carrascal de la Font Roja, Alcoi, SpainDepartment of Biological Sciences, University of Alberta, Edmonton, AB, Canada
| | - H Proctor
- Department of Evolutionary Ecology, Museo Nacional de Ciencias Naturales (CSIC), Madrid, SpainCavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, Valencia, SpainParque Natural del Carrascal de la Font Roja, Alcoi, SpainDepartment of Biological Sciences, University of Alberta, Edmonton, AB, Canada
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11
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Helm B, Piersma T, van der Jeugd H. Sociable schedules: interplay between avian seasonal and social behaviour. Anim Behav 2006. [DOI: 10.1016/j.anbehav.2005.12.007] [Citation(s) in RCA: 80] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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12
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RUBOLINI DIEGO, SPINA FERNANDO, SAINO NICOLA. Correlates of timing of spring migration in birds: a comparative study of trans-Saharan migrants. Biol J Linn Soc Lond 2005. [DOI: 10.1111/j.1095-8312.2005.00484.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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