00000nam 2200000za 4500 9.849798 CaOODSP 20241203113641 cr ||||||||||| 180110s1981 onc ||||o f000 0 eng d CaOODSP eng n-cn--- CW69-9/122E-PDF Silieff, E. The co-operative Breeding Bird Survey in Canada, 1980 [electronic resource] / by E. Silieff and G.H. Finney. [Ottawa] : Canadian Wildlife Service, 1981. 16 p. Progress notes ; no. 122 "June 1981." Digitized edition from print [produced by Environment and Climate Change Canada]. Issued also in French under title: Étude collective des populations d'oiseaux nicheurs au Canada, en 1980. Includes bibliographical references. "The Breeding Bird Survey (BBS) is a large-scale, annual, North American survey sampling the populations of breeding birds (primarily songbirds) from coast to coast."--Introd. gccst Birds gccst Surveys Breeding birds Songbirds Finney, G. H. (George Howard), 1948- Canada. Environment Canada. Canadian Wildlife Service. Étude collective des populations d’oiseaux nicheurs au Canada, en 1980 (CaOODSP)9.860433 Progress notes (Canadian Wildlife Service) no. 122 (CaOODSP)9.504439 PDF 678 KB https://publications.gc.ca/collections/collection_2018/eccc/CW69-9-122-eng.pdf