Status of trumpeter swans in the southern Mackenzie District, Northwest Territories, in 1987 / Len J. Shandruk and Kevin J. McCormick.: CW69-9/177E-PDF
"The occurrence of breeding Trumpeter Swans (Cygnus buccinator) in the southem Mackenzie District, Northwest Territories, is a relatively recent phenomenon. The first bird was observed in 1970, but breeding was not recorded until 1977"--Introd.
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Department/Agency | Canada. Environment Canada. Canadian Wildlife Service. |
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Title | Status of trumpeter swans in the southern Mackenzie District, Northwest Territories, in 1987 / Len J. Shandruk and Kevin J. McCormick. |
Series title | Progress notes ; no. 177 |
Publication type | Series - View Master Record |
Language | [English] |
Other language editions | [French] |
Format | Electronic |
Electronic document | |
Note(s) | "May 1988." Digitized edition from print [produced by Environment and Climate Change Canada]. Issued also in French under title: Situation du cygne trompette dans le sud du district de Mackenzie (Territoies du Nord-Ouest) en 1987. Includes bibliographical references. |
Publishing information | [Ottawa] : Canadian Wildlife Service, 1988. |
Author / Contributor | Shandruk, Len J. McCormick, Kevin J. |
Description | 5 p. : map |
Catalogue number |
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Subject terms | Aquatic birds Surveys Trumpeter swans |
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