Mongolian Gull L. c? mongolicus
Novemberr 3rd 2002 Sakawagawa-river Odawara Kanagawa Japan M.Ujihara
It looked very whitish overall
in the field. Most scapulars were replaced.
A Slaty-backed Gull (left), and
theMongolian Gull ( right)
2 Slaty-backed Gulls(left) and
the Monglian Gull, a Vega Gull (behind), and a Black-tailed Gull.
Another individual below
Mostly juvenile plumage. Note
the white edges to the primary tips, extended white on the coverts and
tertials, and mottled belly. It looked obviously contrasty ("black and
white") overall from a distance.
For comparison:
*Vega Gulls
*Vega Gulls