Mobbing of a Common Raven by migrant Rosy-Finches

John M. Cooper

LGL Environmental Research Associates Ltd., 9768 Second Street, Sidney, B.C. V8L 3Y8

Abstract: A flock of approximately 500 Gray-crowned Rosy-Finches (Leucosticte tephrocotis) was observed mobbing a flying Common Raven (Corvus corax) on 22 September 1992 in the Cayoosh Range southeast of Lillooet, B.C. The implications of this behaviour are discussed.

Key words: Common Raven, Corvus corax, Gray-crowned Rosy-Finch, Leucosticte tephrocotis, British Columbia, behaviour

PDFicon Cooper, J.M. 1994. Mobbing of a Common Raven by migrant Rosy-Finches. British Columbia Birds 4:13-14.


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