The Wisconsin Breeding Bird Atlas is working to document the distribution and abundance of all birds species that breed in the state. Some birds are best found at night. Atlasers throughout Wisconsin will be donning their headlamps and heading out for some night birding during Nocturnal Atlasing Week, April 21–29. This time window coincides with an early peak in owl calling, and is a good time to try to hear Barred Owls, Great Horned Owls, Eastern Screech-Owls, and Northern Saw-whet Owls, plus other crepuscular birds like American Woodcock.
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