The North American Breeding Bird Survey, Results and Analysis 1966 - 2009. Version 3.23.2011
The North American Breeding Bird Survey, Results and Analysis 1966 - 2009. Version 3.23.2011. USGS Patuxent Wildlife Research Center
This website presents population change information for more than 400 species of North American Birds, as estimated from the North American Breeding Bird Survey. Estimates of trend (interval-specific estimates of population change), annual indices of abundance, and maps of abundance and population change for these species are presented for a variety of regions.
- Type
- Web Site
- Date of Issue
- 2014-02-20
- Publisher
- USGS Patuxent Wildlife Research Center
- Units
- NRSS