Larus canus
Diet
Omnivorous: scavenges and hunts small prey
Habitat
Breeds near water or in marshes, nesting on the ground or in small trees
Range
Breeds from Iceland and Scotland east to Kamchatka; winters in the Mediterranean, Black and Caspian seas, the Persian Gulf, Japan, Korea and south-east China
Incubation period
24-26 days
Size
40-46cm
Wingspan
100-115cm
The mew gull, or common gull, is a medium-sized gull, 40 to 46cm long with a wingspan of 100 to 115cm. It has a grey back, white underparts, black wingtips with white mirrors and yellow legs in the breeding season; young birds are mottled brown and take about three years to mature. Its call is a high-pitched, laughing cry (Wikipedia, general species account).
It breeds in cool temperate parts of the Palearctic, usually in colonies, with both parents building the nest and incubating the usually three eggs for 24 to 26 days. The chicks fledge at about 35 days. Most populations migrate south to the Mediterranean, Black and Caspian seas, the Persian Gulf, Japan, Korea and south-east China. The source does not mention South Asia or Nepal (Wikipedia, general species account).