Possible Glaucous-winged Gull x Glaucous Gull
Choshi, Chiba, Japan, March 18th 2001.  Photos by Yoshiki Watabe. BeEnǎ
Probable Glaucous-winged Gull x Glaucous Gull
Choshi, Chiba, Japan, March 20th 2001. Photos by Osao Ujihara. BeEY

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