Juv/1st winter Glaucous Gull Larus hyperboreus pallidissimus

＊Measurement data

TL:730mm WS:1680mm W:1400g

Road kill? It was dead sideward of the road.

Tail band.

Leg.

Face and bill.

Under primaries.

Upper wing and primaries.

From Haboro Hokkaido Japan. February 22.