Geographic analysis strata
The following Canadian map shows geographic strata defined by the intersection of Bird Conservation Regions (BCR) and the provinces/territories. The data are analyzed within these geographic strata.
Breeding Bird Survey analytical strata
Legend showing the colours associated with each analysis stratum.
British Columbia - Northwestern Interior Forest (BCR 4)
Yukon - Northwestern Interior Forest (BCR 4)
British Columbia - Northern Pacific Rainforest (BCR 5)
British Columbia - Boreal Taiga Plains (BCR 6)
Northwest Territories - Boreal Taiga Plains (BCR 6)
Alberta - Boreal Taiga Plains (BCR 6)
Saskatchewan - Boreal Taiga Plains (BCR 6)
Manitoba - Boreal Taiga Plains (BCR 6)
Canada - Taiga Shield and Hudson Plains (BCR 7)
Manitoba - Boreal Softwood Shield (BCR 8)
Ontario - Boreal Softwood Shield (BCR 8)
Québec - Boreal Softwood Shield (BCR 8)
Newfoundland and Labrador - Boreal Softwood Shield (BCR 8)
British Columbia - Great Basin (BCR 9)
British Columbia - Northern Rockies (BCR 10)
Alberta - Northern Rockies (BCR 10)
Alberta - Prairie Potholes (BCR 11)
Saskatchewan - Prairie Potholes (BCR 11)
Manitoba - Prairie Potholes (BCR 11)
Ontario - Boreal Hardwood Transition (BCR 12)
Manitoba - Boreal Hardwood Transition (BCR 12)
Québec - Boreal Hardwood Transition (BCR 12)
Ontario - Lower Great Lakes / St. Lawrence Plain (BCR 13)
Québec - Lower Great Lakes / St. Lawrence Plain (BCR 13)
New Brunswick - Atlantic Northern Forest (BCR 14)
Nova Scotia and Prince Edward Island - Atlantic Northern Forest (BCR 14)
Québec - Atlantic Northern Forest (BCR 14)
Strata without Breeding Bird Survey data
Artic Plains and Mountains (BCR 3)
Northwest Territories - Northwestern Interior Forest (BCR 4)
Yukon - Northern Pacific Rainforest (BCR 5)
Yukon - Boreal Taiga Plains (BCR 6)
Alberta - Boreal Softwood Shield (BCR 8)
Saskatchewan - Boreal Softwood Shield (BCR 8)