Variation of male nuptial plumage in the willow ptarmigan Lagopus lagopus L.

Variation of male nuptial plumage in the willow ptarmigan Lagopus lagopus L. In male willow ptarmigans, the relationship between qualitative differences between birds belonging to different intrapopulation groups and some individual features of male nuptial plumage has been revealed by studying banded birds. Thus, males that have changed their nesting site differ from those returning to the former site and bigamous males differ from monogamous in the number and size of dark spots amid the white plumage. The influence of the time of the onset of spring on the development of nuptial plumage is considered. Russian Journal of Ecology Springer Journals

Variation of male nuptial plumage in the willow ptarmigan Lagopus lagopus L.

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Copyright © 2007 by Pleiades Publishing, Ltd.
Life Sciences; Ecology; Environment, general
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