Macgillivray’s and Black-throated Gray warblers compete to feed fledgling cowbird

Jim R. Salt

464 Nelson Street, Victoria. B.C. V9A 6P4

Abstract: An attempted feeding of a fledgling Brown-headed Cowbird by a male MacGillivray’s Warbler near Victoria, British Columbia was interrupted by a male Black-throated Gray Warbler, which chased the MacGillivray’s away and fed the cowbird. Both subsequently fed the cowbird.

Key words: Black-throated Gray Warbler, Brown-headed Cowbird, Dendroica nigrescens, interspecific feeding, MacGillivrayls Warbler, Oporornis tolmiei, Victoria

PDFicon Salt, J.R. 1997. MacGillivray’s and Black-throated Gray warblers compete to feed fledgling cowbird. British Columbia Birds 7:15.


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