Sam Crowe on July 10th, 2015

  Horicon Marsh, about an hour northwest of Madison, spans 32,000 acres, making it one of the largest cattail marshes in the United States. The northern two-thirds is a National Wildlife Refuge while the southern third is a Wisconsin State Wildlife Area. With its size and richness, Horicon sustains healthy populations of wetland breeding birds […]

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Sam Crowe on July 7th, 2015

David Harwood sent us these photos of a Pine Warbler feeding a young Brown-headed Cowbird that it no doubt raised.  Brown-headed Cowbirds lay their eggs in the nests of other species, including small warblers like this Pine Warbler.   They then leave it to the new foster parents to raise the young cowbird. One theory is […]

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