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Article
First record of brown-headed cowbird egg in a lesser scaup nest
Wilson Bulletin (2000)
  • David N. Koons, Utah State University
Abstract
On 16 June 1999, I found a Lesser Scaup (Aythya affinis) nest parasitized by a Brown-headed Cowbird (Molothrus ater). On 22 June the female scaup had begun incubating the 10 scaup eggs but the cowbird egg was missing, presumably ejected by the female scaup.
Keywords
  • brown-headed,
  • cowbird,
  • egg,
  • scaup
Disciplines
Publication Date
July, 2000
Citation Information
Koons, D.N. 2000. First record of brown-headed cowbird egg in a lesser scaup nest. Wilson Bulletin 112:554.