American Herring Gull (smithsonianus)(last update: October 30, 2015) |
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American Herring Gull (smithsonianus), sub-adult (4CY), February 15 2014, North Point Marina, Winthrop Harbor, IL. Picture: Maarten van Kleinwee.Plesae visit: GULLS TO THE HORIZON, for more images. No mirror on P10. Large black spots in tail and in secondaries. Also, black spots on coverts, on greater primary coverts and obvious black on bill. |