Although most Kamchatka Gulls were still winter plumage, the first RBG for Japan turned into summer plumage. This species seems to acquire summer plumage earlier.
Note the primary-pattern showing wide black and small mirrors.
Adult summer Ring-billed Gull
March 26th 2002 Choshi Chiba Japan
Although most Kamchatka Gulls were still winter plumage, the first RBG for Japan turned into summer plumage. This species seems to acquire summer plumage earlier.
Note the primary-pattern showing wide black and small mirrors.