Differences in boldness are repeatable and heritable in a long-lived marine predator

Ecology and Evolution
Samantha C PatrickHenri Weimerskirch

Abstract

Animal personalities, composed of axes of consistent individual behaviors, are widely reported and can have important fitness consequences. However, despite theoretical predictions that life-history trade-offs may cause and maintain personality differences, our understanding of the evolutionary ecology of personality remains poor, especially in long-lived species where trade-offs and senescence have been shown to be stronger. Furthermore, although much theoretical and empirical work assumes selection shapes variation in personalities, studies exploring the genetic underpinnings of personality traits are rare. Here we study one standard axis of personality, the shy-bold continuum, in a long-lived marine species, the wandering albatross from Possession Island, Crozet, by measuring the behavioral response to a human approach. Using generalized linear mixed models in a Bayesian framework, we show that boldness is highly repeatable and heritable. We also find strong differences in boldness between breeding colonies, which vary in size and density, suggesting birds are shyer in more dense colonies. These results demonstrate that in this seabird population, boldness is both heritable and repeatable and highlights the potential for eco...Continue Reading

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Citations

Feb 8, 2014·PloS One·Samantha C Patrick, Henri Weimerskirch
Aug 9, 2016·Scientific Reports·Martina CarreteJosé L Tella
Jun 25, 2017·The Journal of Animal Ecology·Samantha C PatrickHenri Weimerskirch
Dec 5, 2014·Proceedings. Biological Sciences·Samantha C Patrick, Henri Weimerskirch
Oct 17, 2019·The Journal of Animal Ecology·Niels J DingemanseRobin N Abbey-Lee
Sep 22, 2019·The Journal of Animal Ecology·Stephanie M HarrisSamantha C Patrick
Nov 18, 2017·Evolution; International Journal of Organic Evolution·Kay BoultonAlastair J Wilson
Jan 9, 2019·Ecology and Evolution·Christopher J SchellJill M Mateo
Jul 28, 2017·Proceedings. Biological Sciences·Stephen C VotierSamantha C Patrick
Apr 10, 2019·Ecology and Evolution·Tina W WeyClint D Kelly
Dec 20, 2020·The Journal of Animal Ecology·Margje E de JongMaarten J J E Loonen

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Software Mentioned

R Development Core Team
R package
MCMCglmm
R
R package : polycor

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