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The status of trumpeter swans in British Columbia and Yukon, summer 1985 / R. McKelvey.: CW69-5/8E-PDF

"A survey was conducted in July and August 1985 to determine the status of Trumpeter Swans breeding in British Columbia and Yukon. A total of 185 adults (white birds) and 53 cygnets were recorded. All areas except the Ft. St. John area had fewer swans than in previous years. Possible causes of those changes are discussed. The most likely reason for the decline noted is high mortality on the wintering area near Yellowstone National Park, U.S.A."--Abstract, p. i.

Permanent link to this Catalogue record:
publications.gc.ca/pub?id=9.855862&sl=0

Publication information
Department/Agency
  • Canada. Environment Canada.
  • Canadian Wildlife Service. Pacific and Yukon Region.
TitleThe status of trumpeter swans in British Columbia and Yukon, summer 1985 / R. McKelvey.
Series title
  • Technical report series ; no. 8
Publication typeMonograph - View Master Record
Language[English]
FormatDigital text
Electronic document
Note(s)
  • Digitized edition from print [produced by Environment and Climate Change Canada].
  • Includes bibliographic references.
  • Includes abstract in French.
Publishing information
  • Delta, B. C. : Pacific and Yukon Region, Canadian Wildlife Service, Environment Canada, 1986.
Author / Contributor
  • McKelvey, Richard W.
Descriptioniii, 29 p. : maps.
Catalogue number
  • CW69-5/8E-PDF
Departmental catalogue numberCW69-5/8E
Subject terms
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