Mute Swan (Cygnus olor). Webbed feet and ringed or banded, legs. Allow for lifetime identification of the individual bird by research BTO team workers

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Mute Swan (Cygnus olor). Webbed feet and ringed or banded, legs. Allow for lifetime identification of the individual bird by research BTO team workers. Allows for longevity, location and movement recording of a particular bird.

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Size: 3840px × 5760px
Photo credit: © Joe Blossom / Alamy / Afripics
License: Licensed
Model Released: No

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