00000nam 2200000za 4500 9.858972 CaOODSP 20240527135431 cr ||||||||||| 180712s1973 onc |ot f|0| 0 eng d CaOODSP eng eng fre rus n-cn-ab CW65-8/24E-PDF Sugden, Lawson G. Feeding ecology of pintail, gadwall, American widgeon and lesser scaup ducklings in southern Alberta [electronic resource] / by Lawson G. Sugden. Ottawa : Canadian Wildlife Service, 1973. 45 p. : figures. Canadian Wildlife Service report series ; no. 24 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographic references. "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. Includes abstracts in French and Russian. gccst Aquatic birds gccst Animal nutrition Canadian Wildlife Service. Report series (Canadian Wildlife Service) no. 24. (CaOODSP)9.858862 PDF 3.73 MB https://publications.gc.ca/collections/collection_2018/eccc/cw65-8/CW65-8-24-eng.pdf CW65-8/24