1st winter Glaucous Gull Larus hyperboreus
Choshi Chiba Japan
These 1st winter birds have vague bill color patterns that show extensive black along their cutting edges. Such birds are regularly found in Choshi.

Feb. 12th 2000

Feb. 3rd 2001, GlaucousxGlaucous-winged?

Mid-winter 1992

Feb. 21 1993,  Photo by Takeshi Okabayashi   BeEс@Ҏ

Mar. 22 1992