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The co-operative Breeding Bird Survey in Canada, 1972 / by Anthony J. Erskine.: CW69-9/32E-PDF

"The Breeding Bird Survey is a co-operative attempt to detect and measure year-to-year changes in numbers of birds (chiefty land birds)"--Introd.

Permanent link to this Catalogue record:
publications.gc.ca/pub?id=9.849052&sl=0

Publication information
Department/Agency
  • Canada. Environment Canada.
  • Canadian Wildlife Service.
TitleThe co-operative Breeding Bird Survey in Canada, 1972 / by Anthony J. Erskine.
Series title
  • Progress notes ; no. 32
Publication typeMonograph - View Master Record
Language[English]
Other language editions[French]
FormatDigital text
Electronic document
Note(s)
  • "May 1973."
  • Digitized edition from print [produced by Environment and Climate Change Canada].
  • "With Appendix by G.E. John Smith."
  • Issued also in French under title: Étude collective des populations d’oiseaux nicheurs du Canada, 1972.
  • Includes bibliographical references.
Publishing information
  • Ottawa : Canadian Wildlife Service, 1973.
Author / Contributor
  • Erskine, Anthony J., 1931-
  • Smith, G. E. J.(George E. John)
Description15 p.
Catalogue number
  • CW69-9/32E-PDF
Subject terms
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