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Effects of body size on sex-related migration vary between two closely related gull species with similar size dimorphism

Onderzoeksoutput: Bijdrage aan tijdschriftA1: Web of Science-artikel

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Effects of body size on sex-related migration vary between two closely related gull species with similar size dimorphism. / Bosman, D. S; Vercruijsse, H. J. P; Stienen, Eric; Vincx, M; De Neve, L; Lens, L.

In: Ibis, Vol. 154, Nr. 1, 2012, blz. 52-60.

Onderzoeksoutput: Bijdrage aan tijdschriftA1: Web of Science-artikel

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Bosman, D. S ; Vercruijsse, H. J. P ; Stienen, Eric ; Vincx, M ; De Neve, L ; Lens, L. / Effects of body size on sex-related migration vary between two closely related gull species with similar size dimorphism. In: Ibis. 2012 ; Vol. 154, Nr. 1. blz. 52-60.

Bibtex

@article{59e85f802e604efdb60a34887992bbb1,
title = "Effects of body size on sex-related migration vary between two closely related gull species with similar size dimorphism",
abstract = "Studies of migration have revealed multiple trade-offs with other life-history traits that may underlie observed variation in migratory properties among ages and sexes. To assess whether, and to what extent, body size and/or sex-specific differences in competition for resources (e.g. breeding territories or winter food) may shape variation in migration distance and timing of arrival in ecologically and phylogenetically related species, we combined over 30 000 sightings of individually marked, sexually mature males and females of Herring Gulls Larus argentatus and Lesser Black-Backed Gulls Larus fuscus with biometric measurements and phenological observations at a mixed breeding colony. In L. argentatus, larger males migrated further from the breeding colony, whereas migration distance was independent of body size in adult females. In L. fuscus, no relationship between body size and migration distance was apparent in either sex. Mean arrival dates at the breeding colony did not vary with migration distances but differed between males and females of L. argentatus (but not L. fuscus). As allometry at least partly explains sexual segregation in migration behaviour in L. argentatus, but not in L. fuscus, we conclude that the effect of body size on sex-related migratory strategies may vary between closely related, sympatric species despite similar size dimorphism.",
author = "Bosman, {D. S} and Vercruijsse, {H. J. P} and Eric Stienen and M Vincx and {De Neve}, L and L Lens",
note = "Publication Authorstring : Bosman, D.S.; Vercruijsse, H.J.P.; Stienen, E.W.M.; Vincx, M.; De Neve, L.; Lens, L. Publication RefStringPartII : <i>Ibis 154(1)</i>: 52-60. <a href={"}http://dx.doi.org/10.1111/j.1474-919X.2011.01182.x{"} target={"}_blank{"}>dx.doi.org/10.1111/j.1474-919X.2011.01182.x</a>",
year = "2012",
doi = "10.1111/j.1474-919X.2011.01182.x",
language = "English",
volume = "154",
pages = "52--60",
journal = "Ibis",
issn = "0019-1019",
publisher = "Wiley-Blackwell",
number = "1",

}

RIS

TY - JOUR

T1 - Effects of body size on sex-related migration vary between two closely related gull species with similar size dimorphism

AU - Bosman, D. S

AU - Vercruijsse, H. J. P

AU - Stienen, Eric

AU - Vincx, M

AU - De Neve, L

AU - Lens, L

N1 - Publication Authorstring : Bosman, D.S.; Vercruijsse, H.J.P.; Stienen, E.W.M.; Vincx, M.; De Neve, L.; Lens, L. Publication RefStringPartII : <i>Ibis 154(1)</i>: 52-60. <a href="http://dx.doi.org/10.1111/j.1474-919X.2011.01182.x" target="_blank">dx.doi.org/10.1111/j.1474-919X.2011.01182.x</a>

PY - 2012

Y1 - 2012

N2 - Studies of migration have revealed multiple trade-offs with other life-history traits that may underlie observed variation in migratory properties among ages and sexes. To assess whether, and to what extent, body size and/or sex-specific differences in competition for resources (e.g. breeding territories or winter food) may shape variation in migration distance and timing of arrival in ecologically and phylogenetically related species, we combined over 30 000 sightings of individually marked, sexually mature males and females of Herring Gulls Larus argentatus and Lesser Black-Backed Gulls Larus fuscus with biometric measurements and phenological observations at a mixed breeding colony. In L. argentatus, larger males migrated further from the breeding colony, whereas migration distance was independent of body size in adult females. In L. fuscus, no relationship between body size and migration distance was apparent in either sex. Mean arrival dates at the breeding colony did not vary with migration distances but differed between males and females of L. argentatus (but not L. fuscus). As allometry at least partly explains sexual segregation in migration behaviour in L. argentatus, but not in L. fuscus, we conclude that the effect of body size on sex-related migratory strategies may vary between closely related, sympatric species despite similar size dimorphism.

AB - Studies of migration have revealed multiple trade-offs with other life-history traits that may underlie observed variation in migratory properties among ages and sexes. To assess whether, and to what extent, body size and/or sex-specific differences in competition for resources (e.g. breeding territories or winter food) may shape variation in migration distance and timing of arrival in ecologically and phylogenetically related species, we combined over 30 000 sightings of individually marked, sexually mature males and females of Herring Gulls Larus argentatus and Lesser Black-Backed Gulls Larus fuscus with biometric measurements and phenological observations at a mixed breeding colony. In L. argentatus, larger males migrated further from the breeding colony, whereas migration distance was independent of body size in adult females. In L. fuscus, no relationship between body size and migration distance was apparent in either sex. Mean arrival dates at the breeding colony did not vary with migration distances but differed between males and females of L. argentatus (but not L. fuscus). As allometry at least partly explains sexual segregation in migration behaviour in L. argentatus, but not in L. fuscus, we conclude that the effect of body size on sex-related migratory strategies may vary between closely related, sympatric species despite similar size dimorphism.

U2 - 10.1111/j.1474-919X.2011.01182.x

DO - 10.1111/j.1474-919X.2011.01182.x

M3 - A1: Web of Science-article

VL - 154

SP - 52

EP - 60

JO - Ibis

JF - Ibis

SN - 0019-1019

IS - 1

ER -

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