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Black-capped Chickadee Trumpeter Swan Broad-winged Hawk

Photos (from top to bottom): Black-capped chickadee, trumpeter swan and broad-winged hawk. Swan and hawk photos © Brian Collins.

Contact information
For information on the Wisconsin Breeding Bird Atlas, contact:
Nick Anich
Breeding Bird Atlas coordinator

Join the flockVolunteer for a historic bird survey

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.

Become a volunteer

Over the course of the next five years, volunteers will observe bird behavior and report data online. Volunteering is easy! Participants sign up to observe birds near their homes, favorite birding spots and atlas priority blocks and report their observations online using a state-of-the-art system developed by eBird.

The atlas is a volunteer effort by birdwatchers, backyard birders, nature centers, bird clubs, naturalists, nonprofit organizations and government agencies working together on a project coordinated jointly by The Wisconsin Society for Ornithology, the Wisconsin Department of Natural Resources and the Western Great Lakes Bird and Bat Observatory.

Sign up [exit DNR] through the Wisconsin Society of Ornithology. On their website, you can find all of the resources you need to become a volunteer.

Why we need your help

Birds are an essential part of Wisconsin’s culture and ecology. Yet many of Wisconsin’s bird species are facing new challenges and threats to their habitat and well-being today.

To properly conserve bird populations, we need a current understanding of the birds that rely on Wisconsin as a breeding ground and a place to raise their young. Wisconsin Breeding Bird Atlas II mobilizes citizens across the state to accomplish this and we need your help to document which birds are breeding in your area!

First Breeding Bird Atlas

The first Wisconsin Breeding Bird Atlas (WBBA I) was initiated by Wisconsin Society for Ornithology in 1995 and supported by a number of agencies, nongovernmental organizations, academic institutions and private foundations. The first atlas represented the largest coordinated field effort in the history of Wisconsin ornithology. During the six-year survey period, field observers documented 237 bird species, with 235 of those listed as at least probable breeders in the state.

Results from WBBA I provided many insights into Wisconsin’s bird community. The second atlas will expand on the findings of WBBA I and provide critical data for years to come. In comparing these observations to those collected during the first atlas, we will be able to identify shifts in range and abundance of Wisconsin’s bird species.

Last revised: Friday March 06 2015