Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Weston
1945
Anas platyrhynchos
March 12—East End of Elk Valley, Marin Co., California
1 pair foraging in shallow fresh water. As we drove by both were slowly walking about, running their bills through the water. Were 2± ft apart.