1st winter
Slaty-backed Gulls Larus schistisagus
February 16th 2007 Choshi Chiba Japan

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An individual showing narrower tail band. The wing coverts also show well-notched pattern.


Note that the dark parts of the wings and the tail are brownish, not blackish. And the short-winged overall structure is typical.

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A dark-winged bird.

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A pale-winged bird

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A bleached bird.

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A Vega Gull for comparison.

Note that the dark parts are strongly blackish in comparison with Slaty-backed Gulls.

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