Brown-headed cowbird: These drifters are called brood parasites because they trick other species into raising their offspring.
Brown-headed cowbird: These drifters are called brood parasites because they trick other species into raising their offspring. HO US Fish and Wildlife
Brown-headed cowbird: These drifters are called brood parasites because they trick other species into raising their offspring. HO US Fish and Wildlife

Inside NC Science: Cowbirds are feathered freeloaders

June 14, 2015 4:00 PM

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