Larus delawarensis Ring-billed Gull ID: 9092 3191 3541 0028 [detail] Dorothy Judd © 1999 California Academy of Sciences	Larus delawarensis Ring-billed Gull ID: 0000 0000 0108 0142 [detail] © 2008 Dave Mangham/www.wildlifephotos.org.uk	Larus delawarensis Ring-billed Gull ID: 0091 3183 0921 0078 [detail] Dr. Antonio J. Ferreira © 2001 California Academy of Sciences	Larus delawarensis Ring-billed Gull ID: 0091 3183 0921 0077 [detail] Dr. Antonio J. Ferreira © 2001 California Academy of Sciences
Larus delawarensis Ring-billed Gull ID: 8235 3181 2497 0089 [detail] Dr. Lloyd Glenn Ingles © 1999 California Academy of Sciences	Larus delawarensis Ring-billed Gull ID: 0091 3183 0921 0119 [detail] E. Eugenia Patten © 2001 California Academy of Sciences	Larus delawarensis Ring-billed Gull ID: 0091 3182 0754 0068 [detail] Glenn and Martha Vargas © 2002 California Academy of Sciences	Larus delawarensis Ring-billed Gull ID: 0091 3183 0921 0079 [detail] Dr. Antonio J. Ferreira © 2001 California Academy of Sciences
Larus delawarensis Ring-billed Gull ID: 0000 0000 0805 0965 [detail] © 2005 Tom Greer tbphotos@comcast.net	Larus delawarensis Ring-billed Gull ID: 0000 0000 0805 0966 [detail] © 2005 Tom Greer tbphotos@comcast.net	Larus delawarensis Ring-billed Gull ID: 0000 0000 0805 1104 [detail] © 2005 Will Chatfield-Taylor	Larus delawarensis Ring-billed Gull ID: 1111 1111 2222 0719 [detail] © 2005 Joyce Gross
Larus delawarensis Ring-billed Gull ID: 0000 0000 0206 0969 [detail] © 2006 Andrea Jesse	Larus delawarensis Ring-billed Gull ID: 0000 0000 0206 0973 [detail] © 2006 Andrea Jesse	Larus delawarensis Ring-billed Gull ID: 0000 0000 0206 0974 [detail] © 2006 Andrea Jesse	Larus delawarensis Ring-billed Gull ID: 0000 0000 0207 0881 [detail] © 2007 Ram Vasudev
Larus delawarensis Ring-billed Gull (shown with Fulica americana, anas platyrhynchos) ID: 0000 0000 0308 1358 [detail] © 2008 Andrea Jesse	Larus occidentalis Western Gull ID: 0091 3183 0918 0058 [detail] Sherry Ballard © 2001 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.