Slaty-backed Gulls Larus schistisagus
December 8th 2008 Choshi Chiba Japan


Slaty-backed Gull (center) with Vega Gull (left) and Black-taild Gull (right).






Slaty-backed Gull (left) with 2 Vega Gulls.



Slaty-backed Gull with Kamtchaka Gull.



Slaty-backed Gull (right) with Vega Gull.