Thayer's Gull (thayeri)(last update: January 22, 2013) |
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Thayer's Gull 1st cycle (2CY), February 05 2013, Davis Wastewater Treatment Plant, Yolo County, CA. Picture: Steve Hampton.Want to see more images? Visit: Steve's Flickr photostream. Normally pigmented and pale individual. Note replaced scapulars and moult gaps indicating active moult in this region. |