Articles with "passerines autumn" as a keyword



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Age-dependent differences in iris colouration of passerines during autumn migration in Central Europe

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Published in 2020 at "PeerJ"

DOI: 10.7717/peerj.9188

Abstract: Avian eye colour changes with age, but many aspects of this transition are still insufficiently understood. We examined if an individual’s sex, age, species and body condition are related to the iris colour in common… read more here.

Keywords: age dependent; age; central europe; passerines autumn ... See more keywords