00000nam 2200000za 4500 9.849720 CaOODSP 20241203113641 cr ||||||||||| 180109s1980 onc ||||o f000 0 eng d CaOODSP eng n-cn--- CW69-9/111E-PDF Finney, G. H. (George Howard), 1948- The co-operative Breeding Bird Survey in Canada, 1979 [electronic resource] / by G.H. Finney, P. Cadieux, and E. Silieff. [Ottawa] : Canadian Wildlife Service, 1980. 16 p. Progress notes ; no. 111 "May 1980." 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 1979. Includes bibliographical references. "The Breeding Bird Survey (BBS) began in Canada in 1966. It provides annual information on the status of North American birds, especially songbirds, during the breeding season. It enables us to note modifications of the breeding ranges and populations trends, which may be attributable to a variety of factors"--Introd. gccst Birds gccst Surveys Cadieux, P. Silieff, E. Canada. Environment Canada. Canadian Wildlife Service. Étude collective des populations d’oiseaux nicheurs au Canada en 1979 (CaOODSP)9.860371 Progress notes (Canadian Wildlife Service) no. 111 (CaOODSP)9.504439 PDF 631 KB https://publications.gc.ca/collections/collection_2018/eccc/CW69-9-111-eng.pdf