You can use it for research or reference. To access the current information, please visit NatureCounts - The State of Canada’s Birds (external link).
Population estimates were extracted from the 2012 Partners in Flight (PIF) Population Assessment Database, which is a companion to PIF’s Saving Our Shared Birds: Tri-National Vision for Landbird Conservation report. Published in 2010, this report expanded upon the seminal North American Landbird Conservation Plan (2004) and provides a continental synthesis of priorities and objectives to help guide landbird conservation actions at national and international scales. To view the complete Species Assessment Database, see: http://rmbo.org/pifdb/. To view the complete North American Landbird Conservation Plan, see: https://www.partnersinflight.org/wp-content/uploads/2016/07/PIF-Landbird-Conservation-Plan-2004.pdf.
Population size estimates were derived by Environment Canada experts based on Andres et al. (2012) and updated with published or unpublished information where available. For each species, the estimates include all populations breeding within Canada as well as numbers estimated to pass through Canada on migration if the breeding grounds lie outside Canada, i.e., the total number of that species estimated to use Canada. For breeding populations, these continental estimates were then converted to population estimates for Canada using relative abundances estimates when available, estimated proportion of the range in Canada or expert opinion.
Revised population estimates of regional seabird and waterbird populations were provided by Environment Canada staff in 2014 using published and unpublished information. These regional estimates were summed to determine the population estimate for Canada. Final estimates were reviewed by Environment Canada’s Waterbird Technical Committee. For colonial-nesting species, population estimates were derived from colony counts of nests or breeding pairs conducted during the nesting season. For other waterbirds, population estimates were derived from information obtained through dedicated monitoring protocols (e.g., acoustic sampling for elusive marsh birds and counts at migratory staging areas).
Population estimates were extracted from the Population Status of Migratory Game Birds in Canada report. The estimates were obtained during waterfowl aerial surveys conducted mostly during the breeding season and on the staging and wintering areas. To view the Population Status of Migratory Game Birds in Canada reports, see: http://www.ec.gc.ca/rcom-mbhr/default.asp?lang=en&n=762c28ab-1.