00000nam 2200000zi 4500 9.943611 CaOODSP 20240926143510 m o d f cr |n||||||||| 240926s1978 onc ob f000 0 eng d CaOODSP eng rda CaOODSP eng eng fre nl----- CW69-31/38E-PDF Allan, L. J., author. Aspects of the feeding behaviour and food habits of certain fish-eating birds in the Great Lakes / L.J. Allan. Ottawa : Wildlife Toxicology Division, Canadian Wildlife Service, 1978. 1 online resource (43 pages). text txt rdacontent computer c rdamedia online resource cr rdacarrier Manuscript reports ; no. 38 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (pages 29-39). "This paper discussed techniques that can be used in the study of the food habits of fish-eating birds, and their relative merit. The available information on the food habits of Herring Gull, Ring-billed Gull, Common Tern, Caspian Tern, Great Blue Heron, and Black-crowned Night Heron in the Great Lakes region is summarized"--Abstract. Includes abstract in French. Water birds Great Lakes Behavior. Oiseaux aquatiques Grands Lacs (Amérique du Nord) Comportement. Canadian Wildlife Service. Wildlife Toxicology Division, issuing body. Manuscript reports (Canadian Wildlife Service. Wildlife Toxicology Division) no. 38. (CaOODSP)9.938882 PDF 2111 KB https://publications.gc.ca/collections/collection_2024/eccc/cw69/CW69-31-38-eng.pdf