American Herring Gull (smithsonianus)(last update: October 30, 2015) |
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American Herring Gull (smithsonianus) 1cy, October 08 2006, St. John's, Newfoundland, Canada. Picture: Bruce Mactavish.Bird with white fringes to the rectrices and lacking an obvious greater covert bar; on the contrary, much like argenteus in showing bold piano-key pattern.
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