Behavioural and energetic consequences of competition among three overwintering swan (Cygnus spp.) species
Abstract Background Winter numbers of the northwest European population of Bewickâs 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...
Published in: | Avian Research |
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Main Authors: | , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
BMC
2021
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Subjects: | |
Online Access: | https://doi.org/10.1186/s40657-021-00282-5 https://doaj.org/article/273c8ef46bc64690883014220926f4bf |