Adult winter
(pacific)
Black-legged 
Kittiwake
Rissa tridactyla pollicaris
Choshi Chiba Japan
December 27th 2001
Differs from (atlantic) Black-legged
Kittiwake R. tridactyla tridactyla 
in longer  bill, darker upperparts, 
and has more black on primaries.
Click here to see
(atlantic) Black-legged Kittiwake
on this web site
Birdsnaps from the Netherlands