Slaty-backed Gull Larus schistisagus
Tamagawa-river, kawasaki, kanagawa, Japan, September 5th 2001
2nd-winter (right)
3rd-winter (left)
probable 4th-winter
(upper left)
2nd-winter
2nd-winter
3rd-winter
3rd-winter
3rd or 4th-winter
probable 4th-winter
4th-winter or
adult
probable 4th-winter
juvenile
An individual with a gentle impression,
possible female.
juvenile
juvenile


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