00000nam 2200000zi 4500 9.893724 CaOODSP 20241203113654 m o d f cr |n||||||||| 201008s198103##bccab ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn-bc CW66-695/1981E-PDF McKelvey, Richard W., author. Some aspects of the winter feeding ecology of trumpeter swans at Port Alberni and Comox harbour, British Columbia / Richard W. McKelvey. [Vancouver] : Canadian Wildlife Service, March 1981. 1 online resource (xvi, 117 pages) : maps, illustrations text txt rdacontent computer c rdamedia online resource cr rdacarrier Digitized edition from print [produced by Environment and Climate Change Canada]. Thesis (M.Sc.)--Simon Fraser University, 1981. Includes bibliographical references (pages 108-117). Trumpeter swan Food British Columbia Comox Valley. Trumpeter swan Food British Columbia Port Alberni. Trumpeter swan Ecology British Columbia Comox Valley. Trumpeter swan Ecology British Columbia Port Alberni. Cygne trompette Alimentation Colombie-Britannique Comox, Vallée de la. Cygne trompette Alimentation Colombie-Britannique Port Alberni. Cygne trompette Écologie Colombie-Britannique Comox, Vallée de la. Cygne trompette Écologie Colombie-Britannique Port Alberni. Canada. Environment Canada, issuing body. Canadian Wildlife Service, issuing body. PDF 5.10 MB https://publications.gc.ca/collections/collection_2020/eccc/cw66/CW66-695-1981-eng.pdf