WESTERN GULL Larus occidentalis

Juvenile and first-year

1. Three first-year birds, San Francisco, California, USA, November 2, 2003 (WEGU_11 - WEGU_13)

Second-year

1. Second-year, San Francisco, California, USA, November 2, 2003 (WEGU_01 - WEGU_02)

Adult

1. Adult, San Francisco, California, USA, November 2, 2003 (WEGU_03 - WEGU_05)

2. Four adults, San Francisco, California, USA, November 8, 2003 (WEGU_06 - WEGU_10)

 

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