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The Importance of Canada's Boreal Forest to Landbirds

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ACKNOWLEDGEMENTS

This report was modeled after a previous report on the importance of Canada's landbirds within the Western Hemisphere, for the North American Bird Conservation Initiative, Canada National Council (Blancher 2002). However all of the analyses have been redone using updated data and estimates.

This report was possible because of the ready availability of many valuable datasets, either directly from the Internet, or from database contacts and publications. Our thanks to the following organizations for making these data available:

Canadian Wildlife Service-HQ (Canbird database, Wild Species 2000 database, Breeding Bird Census database, Breeding Bird Survey route information, Bird Band Recovery data files);

Canadian Wildlife Service - Ontario Region (Wildspace range maps and related base maps);

Canadian Wildlife Service - Prairie & Northern Region (NWT & Nunavut Checklist Survey database);

U.S. Geological Survey (North American Breeding Bird Survey data);

U.S. Partners in Flight (Landbird relative abundance data);

National Audubon Society (Christmas Bird Count data and maps);

Cornell Laboratory of Ornithology (Project FeederWatch data);

Gulf Coast Bird Observatory (Gulf Coast Migration Monitoring database);

Thanks to the following people for helping to make the above data accessible and/or clarifying aspects of the data: Brian Collins, Andrew Couturier, Connie Downes, Erica Dunn, Tony Erskine, Don Fillman, Charles Francis, Wesley Hochachka, Judith Kennedy, Craig Machtans, Ian Marshall, Don McNicol, Kent Prior and Rich Russell.

The methods of estimating population size from BBS data were developed in conjunction with Ken Rosenberg (Cornell Lab of Ornithology) and with input and range estimates from the Partners in Flight Technical Committee.

Andrew Couturier converted range maps to areas and developed the application for generating stacked range maps across species. Thanks also to those persons who provided ideas or comments that contributed to this report, including Michael Bradstreet, Erica Dunn, Don Fillman, Marilyn Heiman, Art Martell, David Pashley, Fiona Schmiegelow and Ryan Zimmerling.

Finally we gratefully acknowledge the tremendous effort put forth by thousands of volunteers and many scientists who collected the data used here.

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