Facts and Audio by Cornell University Ornithology Lab

 

1st Cycle. Prado Regional Park, Chino Hills, CA. 31 December 2011.

 

1st Cycle. Prado Regional Park, Chino Hills, CA. 31 December 2011.

 

1st Cycle. Prado Regional Park, Chino Hills, CA. 31 December 2011.

 

Andrée Clark Bird Sanctuary, Santa Barbara, CA. 18 November 2006..

Bonaparte's Gull, 1st Cycle (Larus philadelphia)

Andreé Clark Bird Sanctuary, Santa Barbara, CA. 18 November 2006. © Dave Furseth 2006.

 

Bonaparte's Gull, 1st Cycle (Larus philadelphia)

Andreé Clark Bird Sanctuary, Santa Barbara, CA. 18 November 2006. © Dave Furseth 2006.