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Glossy Ibis Whooping Crane Mississippi Kite

See photos top to bottom: Species found nesting since first Atlas survey: Glossy ibis, photo Jack Bartholmai; Whooping crane, Robert Bergstrom; Mississippi kite, Scott Weberpal.

Contact information
For information on the Wisconsin Breeding Bird Atlas, contact:
Nick Anich
Breeding Bird Atlas coordinator
715-685-2930

Data collection ends for Wisconsin Breeding Bird Atlas II

WBBA II logo

The Wisconsin Breeding Bird Atlas II (WBBA II) is a comprehensive field survey that documents the distribution and abundance of birds breeding in an area. The atlas provides a baseline dataset from which we can measure future changes in bird populations as we help identify the conservation needs of breeding birds.

A huge thanks to our volunteers

A huge thanks to over 2,000 volunteers who scoured Wisconsin to document which bird species nest in Wisconsin, where, and their numbers. We now know Wisconsin has 243 species of birds nesting here, including 13 species not found nesting during the first atlas from 1995-2000. This information will inform bird conservation efforts for the next generation and is critically important as national studies show a loss of 3 billion breeding birds in the U.S. and Canada over the last 50 years.

See more results

View our colorful infographics to see the exciting discoveries from each year of data collection.

Explore preliminary species maps and get project updates

New tools allowed volunteers to enter their data online immediately, resulting in real-time maps.

View preliminary species maps [exit DNR]
Sign up for more results and periodic updates [exit DNR]

Observations of breeding birds still accepted

Survey coordinators still welcome observations of breeding activity during the project period of 2015-2019. However, all data entry will close on Dec 31, 2019.

Submit data now [exit DNR].

Next steps

The Atlas is coordinated jointly by The Wisconsin Society for Ornithology, DNR, the Western Great Lakes Bird and Bat Observatory and the Wisconsin Bird Conservation Initiative. Organizers are now reviewing the data already collected and are preparing and formatting it for release in a book available after 2020. Atlas results also will be published online in a user-friendly format that will complement the book.

Last revised: Tuesday October 08 2019