Patuxent Wildlife Research Center (PWRC)    Migratory Bird Research (MBR)    Comments/FAQ(comments)




DRAFT 1966 - 2006 Analysis: For review only. Not for Citation or Public Use!
See the BBS Summary and Analysis Website for citation, version number, and cautions regarding use.


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Sub-tropical
Floridian
Coastal Flatwoods
Upper Coastal Plain
Mississippi Alluvial Plain
Coastal Prairies
South Texas Brushlands
East Texas Prairies
Glaciated Coastal Plain
Northern Piedmont
Southern Piedmont
Southern New England
Ridge and Valley
Highland Rim
Lexington Plain
Great Lakes Plain
Driftless Area
St. Lawrence River Plain
Ozark-Ouachita Plateau
Great Lakes Transition
Cumberland Plateau
Ohio Hills
Blue Ridge Mountains
Allegheny Plateau
Adirondack Mountains
Northern New England
N. Spruce-Hardwoods
Closed Boreal Forest
Aspen Parklands
Till Plains
Dissected Till Plains
Osage Plain-Cross Timbers
High Plains Border
Rolling Red Prairies
High Plains
Drift Prairie
Glaciated Missouri Plateau
Great Plains Roughlands
Black Prairie
Edward's Plateau
Rolling Red Plains
Staked Plains
Chihuahuan Desert
Black Hills
Southern Rockies
Fraser Plateau
Central Rockies
Dissected Rockies
Sierra Nevada
Cascade Mountains
Northern Rockies
Great Basin Deserts
Mexican Highlands
Sonoran Desert
Mojave Desert
Pinyon-Juniper Woodlands
Pitt-Klamath Plateau
Wyoming Basin
Intermountain Grasslands
Basin and Range
Columbia Plateau
S. California Grasslands
Central Valley
California Foothills
S. Pacific Rainforests
N. Pacific Rainforests
Los Angeles Ranges
Willamette Lowlands
Eastern BBS Region
Central BBS Region
Western BBS Region
FWS Region 1
FWS Region 2
FWS Region 3
FWS Region 4
FWS Region 5
FWS Region 6
United States
Canada
Survey-wide