Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1974
Redhead
Aythya americana
Jan.6 Berkeley Aquatic Park, Berkeley, Alameda Co., Calif.: 10
Feb.8 Coyote Hills Reg. Park, Alameda Co., Calif.: 1 ♂
Apr.25 Pena Adobe Lagoon, Vacaville, Solano Co., Calif.: 1 ♀
Apr.26 Pena Adobe Lagoon: 1 ♂
Woodland Sugar Ponds, Yolo Co., Calif.: 6
May15 Woodland Sugar Ponds: 8