Little Gull, Larus minutus
L: 28 cm. Wt: 120 g. Males and females are similar. This species is seasonally dimorphic, and requires two years to acquire adult plumage.
mantle grey; wings grey on upperside, with white border on trailing edge; underwing coverts blackish; head with full, black hood; underparts and tail white; bill black; legs dull red
similar to breeding adult, but head white, with dusky crown patch, and black spot behind eye
similar to first winter, but mantle with extensive blackish-brown, extending onto sides of breast