Eastern Ecological Science Center - Bird Population Studies

********** BBS trends 1966-2024 *********

First time user? Please visit Help and Metadata links below before proceeding.

• Hover over one of the 3 drop-down menu boxes and select data (core or expanded), scale (Surveywide, US/Canada, BBS regions, or states/provinces)
• Hover over an area for the trend. (Color symbol ( ) indicates credibility)
• Right-click in an area to get full trend analysis for the years selected.
• Click in state (after clicking 'state' button) to show routes. Click on a route for trend for that route.