Brown-headed Cowbird
(Molothrus ater)
Photographed in Pt. Reyes, California by Jim Rosso
Male bird in the picture on the left; fledgling cowbird being fed by Dark-eyed Junco in the picture on the right. An example of brood parasitism. Bottom picture shows a Rufous-sided Towhee feeding a fledgling Brown-headed Cowbird.

Natural History
Birds in the Classroom
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