Chemical signatures in the preen oil of pied flycatchers: testing reproducibility and exploring ontogeny
Laurence Jeanjean,
Barbara A. Caspers,
Tim Schmoll
et al.
Abstract:Preen oil – the secretion from the uropygial gland of birds – may have diverse functions in avian reproduction: protection against eggshell bacteria, olfactory crypsis against nest predators and olfactory mate choice. To investigate such functions, we should first characterise variation in preen oil composition, but also confirm that previously described patterns are robust. Replication studies are crucial to test the reproducibility of previous findings, but are rarely undertaken in chemical ecology. Here, we… Show more
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