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Distribution of American black duck and mallard in northern Ontario / R.K. Ross and D. Fillman.: CW69-9/189E-PDF

"The province of Ontario contains the major zone of range overlap for the Mallard Anas platyrhynchos and the closely related American Black Duck A. rubripes. Both of these very important game species have, in recent years, undergone declines in numbers that are of considerable concern (Canadian Wildlife Service/U .S. Fish and Wildlife Service 1986)"--Introd.

Permanent link to this Catalogue record:
publications.gc.ca/pub?id=9.850304&sl=0

Publication information
Department/Agency
  • Canada. Environment Canada.
  • Canadian Wildlife Service.
TitleDistribution of American black duck and mallard in northern Ontario / R.K. Ross and D. Fillman.
Series title
  • Progress notes ; no. 189
Publication typeMonograph - View Master Record
Language[English]
Other language editions[French]
FormatDigital text
Electronic document
Note(s)
  • Issued also in French under title: Répartition géographique du canard noir et du canard colvert dans le nord de l'Ontario.
  • "April 1990."
  • Digitized edition from print [produced by Environment and Climate Change Canada].
  • Includes bibliographical references.
Publishing information
  • [Ottawa] : Canadian Wildlife Service, 1990.
Author / Contributor
  • Ross, Richard Kenyon.
  • Fillman, D.
Description5 p. : figs.
Catalogue number
  • CW69-9/189E-PDF
Subject terms
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