The co-operative Breeding Bird Survey in Canada, 1975: CW69-9/60E-PDF
"The Breeding Bird Survey (BBS) was started in Canada in 1966 as an experimental study. We now use it to follow year-to-year changes in numbers of birds (especially non- gamebirds) in most settled areas of Canada"--Introd.
|Title||The co-operative Breeding Bird Survey in Canada, 1975|
|Series Title||Progress notes ;|
|Publication Type||Series - View Master Record|
|Electronic Document|| |
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|Note||"March 1976." Digitized edition from print [produced by Environment and Climate Change Canada].|
|Number of Pages|| p.|
|Subject Terms||Birds, Surveys|
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