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    • Cowbirds
  • (5)
Bronzed cowbird {Molothrus aeneus} chick in nest of Bewick's wren, Texas, USA
01124651
Rolf Nussbaumer / Bronzed cowbird {Molothrus aeneus} chick in nest of Bewick's wren, Texas, USA
American Bison (Bison bison) with female Brown-headed Cowbirds (Molothrus ater), Grand Teton National Park, Wyoming
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Chase Dekker / American Bison (Bison bison) with female Brown-headed Cowbirds (Molothrus ater), Grand Teton National Park, Wyoming
Bronzed cowbird male {Molothrus aeneus} Texas, USA
01124318
Rolf Nussbaumer / Bronzed cowbird male {Molothrus aeneus} Texas, USA
American Bison (Bison bison) grazing while Brown-headed Cowbirds (Molothrus ater) feed on grass seed and insects stirred up by the Buffalo, South Dakota
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Jim Brandenburg / American Bison (Bison bison) grazing while Brown-headed Cowbirds (Molothrus ater) feed on grass seed and insects stirred up by the Buffalo, South Dakota
American bison (Bos bison) moulting with two Brown-headed cowbirds (Molothrus ater) on its back,Yellowstone National Park, Wyoming, USA, June.
01644296
Mike Read / American bison (Bos bison) moulting with two Brown-headed cowbirds (Molothrus ater) on its back,Yellowstone National Park, Wyoming, USA, June.