Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Cogswell
1949
Anas acuta
Big Lagoon, Humboldt Co., Calif.
Aug. 13 - Estimated 30 present on Potamogeton channels & flats just E. of highway bridge.
Aug. 16 - Estimated 30s in same area. Water level now distinctly lower & ducks are feeding on the tangle of Potamogeton left exposed on the mud flats.
Aug. 17, 18 - Small groups seen flying over Maple Creek valley as far as ½ mile from the lagoon & marsh