Pica hudsonia Black-billed Magpie ID: 1073 3283 3179 0099 [detail] Glenn and Martha Vargas © 2002 California Academy of Sciences

Pica hudsonia Black-billed Magpie ID: 0000 0000 0906 0483 [detail] © 2006 Stephen Dowlan

Pica hudsonia American Magpie ID: 6666 6666 1109 0197 [detail] Gerald and Buff Corsi © 2009 California Academy of Sciences

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.