American Herring Gull (smithsonianus)(last update: October 30, 2015) |
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American Herring Gull (smithsonianus) adult, July 09 2012, Portland, Maine. Picture: Bill Bunn.Active complete moult: P6-P10 old, P1-P3 new. Note long grey tongue on P10, still a complete black sub-terminal band. No mirror on P9. |