Mew Gull Larus (canus) brachyrhynchus
February 28th 2003 Choshi Chiba Japan
Adult Kamtchatka Gull (left), 1st winter Mew Gull (right).
Note the smooth grey brown pigmentation, and small bill.
The same 1st winter Mew Gull (center), with a 1st winter Kamtchatka Gull in the background.
Front to rear: The Mew Gull, Black-tailed Gull, Vega Gull. And a Black-headed Gull on the left.