Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1975
Brown-headed Cowbird
Molothrus ater
Apr. 16 Univ. of Calif., Berkeley, Alameda Co., Calif : 1♂ - first arrival of spring.