
Photo: Marek Szczepanek · CC BY-SA 3.0
Larus cachinnans
Range
Breeds around the Black and Caspian Seas, east across Central Asia to north-west China
Clutch size
2–3 eggs
Incubation period
27–31 days
Size
56–68cm
Wingspan
137–155cm
Weight
680–1,590g
The Caspian gull is a large gull of the herring gull and lesser black-backed gull complex, 56–68cm long with a 137–155cm wingspan and a body mass of 680–1,590g. It has a long, slender bill, accentuated by a sloping forehead, pale underparts and a greyish back (Wikipedia, general species account).
It breeds around the Black and Caspian Seas, extending east across Central Asia to north-west China. In Europe it has been spreading north and west, and now breeds in Poland, eastern Germany and southern Russia. The breeding season starts from early April, with two or three eggs incubated for 27–31 days. Birds are scavengers (Wikipedia, general species account).