American Herring Gull (smithsonianus)(last update: October 30, 2015) |
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American Herring Gull (smithsonianus), 3rd cycle (4CY), April 26 2011, Salisbury, MA. Picture: Suzanne Sullivan.Visit Suzanne's PBASE SITE. Retarded bird with many brown coverts and tertials. 3rd gen flight feathers. |