Behavioural and energetic consequences of competition among three overwintering swan (Cygnus spp.) species

Abstract Background Winter numbers of the northwest European population of Bewick’s Swans (Cygnus columbianus bewickii) declined recently by c. 40%. During the same period, numbers of two sympatric and ecologically-similar congeners, the Mute Swan (Cygnus olor) and Whooper Swan (Cygnus cygnus) showe...

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Bibliographic Details
Main Authors: Kevin A. Wood, Julia L. Newth, Geoff M. Hilton, Eileen C. Rees
Format: Article
Language:English
Published: BMC 2021-09-01
Series:Avian Research
Subjects:
Online Access:https://doi.org/10.1186/s40657-021-00282-5