Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Remsen,
J.V.
1974
Whistling Swan
Olor columbianus
Feb. 9 Victoria Fs, San Joaquin Co., Calif : 1600. - largest number I've ever seen in one day
Feb. 18 Santa Fe Grade, Merced Co., Calif : 3