00000nam 2200000za 4500 9.850495 CaOODSP 20241203113641 cr ||||||||||| 180122s1996 oncb||||o f000 0 eng d CaOODSP eng n-cn--- CW69-9/210E-PDF Downes, C. M. The Canadian Breeding Bird Survey, 1966-1994 [electronic resource] / C.M. Downes and B.T. Collins. Ottawa : Canadian Wildlife Service, 1996. 36 p. : map. Progress notes ; no. 210 "May 1996." Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "The Breeding Bird Survey (BBS) is a, major data source for information on population changes in terrestrial birds in North America. The BBS began in 1966 in the eastern United States and maritime Canada and has since expanded throughout the U.S. and Canada, including Alaska, Yukon, and a few routes in the Northwest Territories"--Introd. gccst Birds gccst Surveys Collins, B. T., 1949- Canada. Environment Canada. Canadian Wildlife Service. Relevé des oiseaux nicheurs du Canada, 1966-1994 (CaOODSP)9.860901 The Canadian Breeding Birds Survey, 1966-1994 / (CaOODSP)9.613045 Progress notes (Canadian Wildlife Service) no. 210 (CaOODSP)9.504439 PDF 1.60 MB https://publications.gc.ca/collections/collection_2018/eccc/CW69-9-210-eng.pdf