American Herring Gull Larus smithsonianus
March 15th 2007
@Choshi Chiba Japan


American Herring Gull (left), Vega Gull (right).


Note the pale yellow iris and yellow orbital ring, and compare it with the dark iris and red orbital ring of the Vega Gull on the right.


The American Herring Gull in the center with 1 'taimyrensis' (foreground), 2 Black-tailed Gulls(background) and Vega Gulls.