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

The North American Breeding Bird Survey Results and Analysis 1966-2013

Dedicated to Chandler S. Robbins, originator of the survey.

Please cite this page as:

Sauer, J. R., J. E. Hines, J. E. Fallon, K. L. Pardieck, D. J. Ziolkowski, Jr., and W. A. Link. 2014. The North American Breeding Bird Survey, Results and Analysis 1966 - 2013. Version 01.30.2015 USGS Patuxent Wildlife Research Center, Laurel, MD

Most Recent Update: 30 January 2015.

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.

This website contains the 1966 - 2013 BBS analysis results. Although the website has undergone internal review, we caution users that errors may still exist in interactive programs and summary analyses. See our disclaimer for additional cautions.


  1. This is the first public version of the 2013 analysis. We welcome comments on the results presented here. Public review and feedback of the results are a critical part of the scientific review of the website, and we thank you in advance for taking a careful look at these summaries.
  2. Bird species names have been updated to conform to the 2012 AOU Checklist Update

General Information

Survey Results

Analytical Tools

Learning Tools

For More Information