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Published on Apr 20, 2009
A Brown-headed Cowbird has laid an egg in this Northern Cardinal nest. The cowbird has also removed one of the cardinal eggs and placed it on the rim, and possibly damaged the other. Brown-headed Cowbirds are nest parasites and lay their eggs in the nests of other species. View all live cams on nesting birds at http://www.nestcams.org. NestCams are a project of the Cornell Lab of Ornithology.