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Social information use by Barnacle Geese Branta leucopsis, an experiment revisited

Ralf H. J. M. Kurvers, Auteur ; Kees Straates, Auteur ; Ronald C. Ydenberg, Auteur ; Sipke E. Van Wieren, Auteur ; Piet S. Swierstra, Auteur ; Herbert H. T. Prins, Auteur

Dans Ardea (102(2) Fall, 2014)

Reproducing research results is one of the cornerstones of science. However, few biological findings are actually replicated. Here, we repeat a study done more than 35 years ago on social information use in Barnacle Geese. In the original study,[...]

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Article

No consistent female preference for higher crown UV reflectance in Blue Tits Cyanistes caeruleus: a mate choice experiment

Ralf H. J. M. Kurvers, Auteur ; Kaspar Delhey, Auteur ; Mark L. Roberts, Auteur ; Anne Peters, Auteur

Dans Ibis (152(2) APR 2010)

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Testosterone treatment can increase circulating carotenoids but does not affect yellow carotenoid-based plumage colour in blue tits Cyanistes caeruleus

Anne Peters, Auteur ; Mark L. Roberts, Auteur ; Ralf H. J. M. Kurvers, Auteur ; Kaspar Delhey, Auteur

Dans Journal of Avian Biology (43(4) JUL 2012)

A number of mechanisms are responsible for producing the variation in natural colours, and these need not act in isolation. A recent hypothesis states that carotenoid-based coloration, in addition to carotenoid availability, is also enhanced by [...]

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