Glaucous Gull × Glaucous-winged or Vega?
Juvenile Hybrid Gull Larus sp
Glaucous Gull × Glaucous-winged or Vega?
Primaries pattern.
It looks small eye and large bill than Thayer's Gull.
From Mori Hokkaido Japan. December 30.
Same bird.
With a Slaty-backed Gulls.
Bigger than foreground adult Slaty-backed Gull.
From Mori Hokkaido Japan. December 31.
