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Mongolian Gull L.c?mongolicus
9th November 2002 Choshi Chiba Japan

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Juvenile probable Mongolian Gull (left) and a Vega Gull (right).
Lots of juvenile Vega Gulls, and Mongolian or Mongolian-like Gulls were seen on the day. All photos in this page show the same individual.

The left bird is a Slaty-backed Gull

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