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About Wisconsin Breeding Bird Atlas
Atlas Quick Start Guide
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Breeding Guideline Bar Chart
Acceptable Breeding Codes Chart
No breeding codes? Head back to WI eBird
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Explore birds and hotspots near you and wherever you go, all based on the latest sightings from around the world.
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What's your latest life bird? What bird lists do you care about? eBird tallies them for you and archives your photos and sounds—all for free.
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Advancing science and conservation
Your sightings contribute to hundreds of conservation decisions and peer-reviewed papers, thousands of student projects, and help inform bird research worldwide.
Featured Atlas News
Season 3 Preliminary Results and Stats
Well, we are past the halfway point! We now have three years complete, and only two years of field work to go.
Atlaser Spotlight: Jefferson County Canoe Atlas Team
This month’s spotlight is another great example of atlasers who are putting their own unique spin on the project. Though they sometimes atlas on land (when they have to), this group prefers to paddle their way through their blocks.
To Breed or Not to Breed: Potential Nesting Attempt by American Three-Toed Woodpeckers in Northern Wisconsin
It’s no secret that I had at least a modest obsession with Red Crossbills this past year. Little did I know that obsession would lead to one of my most exciting ornithological discoveries to date.
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