Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1973
Canvasback
Aythya valisineria
July 8 Woodland Sugar Ponds, Yolo Co. Calif : 1 ♂
July 14 Woodland Sugar Ponds : 1 ♂