00000nam 2200000za 4500 9.613677 CaOODSP 20240527135427 ta 150406|1998||||xxc||||| f|0| 0 eng d 0-662-25549-6 0831-6481 CaOODSP eng n-cn--- CW69-5/272E Canadian Wildlife Service. Atlas of colonial waterbirds nesting on the Canadian Great Lakes, 1989-1991 : part 5: herons and egrets in 1991 / by Hans Blokpoel and Gaston D. Tessier. Ottawa - Ontario : Environment Canada. 1998. 36p. : figs., references, tables ; 28 cm. Technical report 0831-6481 272 "This report is the fifth and final of the "Atlas of colonial waterbirds nesting on the Canadian Great Lakes, 1989-1991" and it has the following purpose: (1) to present the results of the 1991 inventories of herons and egrets using the format used by the USFWS for several other atlases of colonial waterbirds, and (2) to compare the 1991 results with historical data, where available, and discuss any changes."--Page 2. This report is the fifth and final of the Atlas of colonial waterbirds nesting on the Canadian Great Lakes, 1989-1991 and it has the following purpose: (1) to present the results of the 1991 inventories of herons and egrets using the format used by the USFWS for several other atlases of colonial waterbirds, and (2) to compare the 1991 results with historical data, where available, and discuss any changes.--Page 2 Issued also in electronic format. Résumés en français Softcover 98-32 1998-08-07 Birds gcpds Blokpoel, Hans Tessier, Gaston D. Atlas of colonial waterbirds nesting on the Canadian Great Lakes, 1989-1991. (CaOODSP)9.857804 Technical report, 0831-6481 272 (CaOODSP)9.514491