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Alexander S. Kitaysky
Researcher at University of Alaska Fairbanks
Publications - 114
Citations - 6756
Alexander S. Kitaysky is an academic researcher from University of Alaska Fairbanks. The author has contributed to research in topics: Foraging & Kittiwake. The author has an hindex of 41, co-authored 108 publications receiving 6170 citations. Previous affiliations of Alexander S. Kitaysky include University of California, Irvine & University of Washington.
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Dynamics of food availability, body condition and physiological stress response in breeding Black‐legged Kittiwakes
TL;DR: The results suggest that, in addition to a seasonal change in bird physiology during reproduction, local ecological factors such as food availability affect circulating levels of corticosterone and adrenal response to acute stress.
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A supergene determines highly divergent male reproductive morphs in the ruff
Clemens Küpper,Clemens Küpper,Michael Stocks,Judith Risse,Natalie Dos Remedios,Lindsay L Farrell,Lindsay L Farrell,Susan B. McRae,Tawna C. Morgan,Natalia Karlionova,Pavel Pinchuk,Yvonne I. Verkuil,Alexander S. Kitaysky,John C. Wingfield,Theunis Piersma,Kai Zeng,Jon Slate,Mark Blaxter,David B. Lank,Terry Burke +19 more
TL;DR: It is shown that development into satellites and faeders is determined by a supergene consisting of divergent alternative, dominant and non-recombining haplotypes of an inversion on chromosome 11, which contains 125 predicted genes.
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Corticosterone facilitates begging and affects resource allocation in the black-legged kittiwake
TL;DR: Two functional implications are suggested of the increased corticosterone secretion during food shortages in the black-legged kittiwake: it facilitates begging in chicks, and it affects time allocated by parents to guarding young at the nest.
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Benefits and costs of increased levels of corticosterone in seabird chicks.
TL;DR: The results of this study suggest that the adrenocortical response of a developing bird to environmental stressors is associated with both benefits (increased food intake, foraging behavior, and aggression) and costs (low growth efficiency and compromised cognitive abilities later in life).
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Endocrine Responses to Unpredictable Environmental Events: Stress or Anti-Stress Hormones?
TL;DR: Data suggest that glucocorticosteroid secretions in response to LPFs not only trigger physiological and behavioral responses but also allow flexibility so that the response is integrated in relation to time of year (normal LHS) as well as individual differences owing to body condition, disease and social status.