Feeding ecology of pintail, gadwall, American widgeon and lesser scaup ducklings in southern Alberta / by Lawson G. Sugden.: CW65-8/24E-PDF
"Objectives were to determine the diet of flightless young Pintails (Anas acuta), Gadwalls (A. strepera), American Widgeons (Mareca americana) and Lesser Scaups (Aythya affinis); investigate factors which influence food use and determine nutritional composition of duck foods. Diet was determined from dry weight of esophagus-proventriculus contents from 144 Pintails, 167 Gadwalls, 129 Widgeons and 135 Scaups"--Abstract, p. 4.
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| Department/Agency | Canadian Wildlife Service. |
|---|---|
| Title | Feeding ecology of pintail, gadwall, American widgeon and lesser scaup ducklings in southern Alberta / by Lawson G. Sugden. |
| Series title | Canadian Wildlife Service report series ; no. 24 |
| Publication type | Series - View Master Record |
| Language | [English] |
| Format | Electronic |
| Electronic document | |
| Note(s) | Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographic references. Includes abstracts in French and Russian. |
| Publishing information | Ottawa : Canadian Wildlife Service, 1973. |
| Author / Contributor | Sugden, Lawson G. |
| Description | 45 p. : figures. |
| Catalogue number |
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| Departmental catalogue number | CW65-8/24 |
| Subject terms | Aquatic birds Animal nutrition |