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Gulls and terns nesting in northern Lake Ontario and the upper St. Lawrence River / by H. Blokpoel.: CW69-9/75E-PDF

"Results of a survey in 1976 of Herring Gulls (Larus argen-tatus), Ring-billed Gulls (Larus delawarensis), Common Terns (Sterna hirundo), and Caspian Terns (Hydroprogne caspia) that nested in the Canadian parts of Lake Ontario and the upper St. Lawrence River are presented"--Abstract.

Permanent link to this Catalogue record:
publications.gc.ca/pub?id=9.849439&sl=0

Publication information
Department/Agency
  • Canada. Environment Canada.
  • Canada. Pêches et environnement Canada.
  • Canadian Wildlife Service.
TitleGulls and terns nesting in northern Lake Ontario and the upper St. Lawrence River / by H. Blokpoel.
Series title
  • Progress notes ; no. 75
Publication typeMonograph - View Master Record
Language[English]
Other language editions[French]
FormatDigital text
Electronic document
Note(s)
  • "July 1977."
  • Digitized edition from print [produced by Environment and Climate Change Canada].
  • Issued also in French under title: Les goélands et les sternes qui nichent dans le Haut Saint-Laurent et le Nord du Lac Ontario.
  • Includes bibliographical references.
Publishing information
  • [Ottawa] : Canadian Wildlife Service, 1977.
Author / Contributor
  • Blokpoel, H., 1938-
Description[7] p. : maps
Catalogue number
  • CW69-9/75E-PDF
Subject terms
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