American Herring Gull (smithsonianus)(last update: October 30, 2015) |
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Western Gull (occidentalis) 6CY 24xxxx5 December 28 2012, Piedras Blancas Elephant Seal Rookery, CA. Picture: Chuq von Rospach.Bird ringed at Farallon Island, the color codes are year cohorts. Metal on left leg, plastic blue on right leg means it was banded as a nestling in 2007. |