Archival Version of 1966 - 1996 Analysis
Summary results are available, but interactive features for data
analysis have been removed.
Most recent data and interactive analysis programs can be accessed through
Chandler S. Robbins,
originator of the survey, to honor his 50 years of government service
Please cite this Page as:
Sauer, J. R., J. E. Hines, G. Gough, I. Thomas, and B. G. Peterjohn. 1997.
The North American Breeding Bird Survey Results and Analysis. Version 96.4.
Patuxent Wildlife Research Center, Laurel, MD
Most Recent Update: 29 July 1997.
Warning! This presentation
uses tables and forms, and some of the older browsers cannot display these items. To access the old version of the page, click here
General Information About the North American Breeding Bird Survey
Survey Results for the Period 1966 - 1996
Summary information on population change by region and time period
This page allows you to display trends for
3 time intervals, by species.
These are relative abundance maps, estimated
over the interval 1982-1996.
These are maps of population change, based on the 1966-1996 interval.
These maps are based on BBS data from Alaska.
These lists provide mean abundances
for all species encountered on the BBS in a state/province,
summarized by physiographic region.