
Presents the Canadian population trends from 1966 to 1994 for all species of birds recorded on the Breeding Bird Survey for which sample sizes are sufficient. The survey is a major data source for information on population changes in terrestrial birds in North America, and is run by volunteers each year between May 28 and July 7. Trends are summarised by species and by ecological zone, as well as for Canada as a whole.
Page Count:
36
Publication Date:
1996-01-01
ISBN-10:
0662246241
ISBN-13:
9780662246244
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