Canvasbacks and other ducks at ... ID: 0000 3333 0531 0418 [detail] © Museum of Vertebrate Zoology, University of California, Berkeley	Canvasbacks and other ducks on ... ID: 0000 3333 0531 2756 [detail] © Museum of Vertebrate Zoology, University of California, Berkeley	Castle Lake (California) ID: 0000 3333 0531 5739 [detail] © Museum of Vertebrate Zoology, University of California, Berkeley	Aythya valisineria ID: 0000 3333 2431 1553 [detail] © Museum of Vertebrate Zoology, University of California, Berkeley
Aythya valisineria ID: 0000 3333 2431 4373 [detail] © Museum of Vertebrate Zoology, University of California, Berkeley

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos.