00000nam 2200000za 4500 9.850383 CaOODSP 20241203113641 cr ||||||||||| 180119s1992 onc ||||o f000 0 eng d CaOODSP eng eng spa n-mx--- CW69-9/201E-PDF Morrison, R. I. G. Aerial surveys of Nearctic shorebirds wintering in Mexico [electronic resource] : some preliminary results / R.I.G. Morrison, R.K. Ross, and S. Torres M. [Ottawa] : Canadian Wildlife Service, 1992. 11 p. Progress notes ; no. 201 "July 1992." Digitized edition from print [produced by Environment and Climate Change Canada]. Issued also in French under title: Relevés aériens des oiseaux de rivage néarctiques hivernant au Mexique : résultats provisoires partiels. Includes bibliographical references. "Aerial surveys of the northwest Mexico/Baja California coastlines were carried out in late January/early February 1992 to determine the distribution and numbers of wintering Nearctic shorebirds, as the first year of a planned three-year Mexican Shorebird Atlas Project"--Abstract. Includes abstract in Spanish. gccst Birds gccst Population gccst Surveys Shorebirds Ross, Richard Kenyon. Torres M., S. Canada. Environment Canada. Canadian Wildlife Service. Relevés aériens des oiseaux de rivage néarctiques hivernant au Mexique (CaOODSP)9.860898 Progress notes (Canadian Wildlife Service) no. 201 (CaOODSP)9.504439 PDF 568 KB https://publications.gc.ca/collections/collection_2018/eccc/CW69-9-201-eng.pdf