This Herring Gull is more denst dark brown owerall than the others Herring Gulls ssp. argenteus seen to day, it got a solid dark tail with no white on tip of tail, heavy brown spotted/barred rump and haevy barred under tail, breast and belly are denst dark brown, but note white´ish from legs to gait.
These features sgould be good for a American Herring Gull, Larus smithsonianus ?
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