Larus cachinnans
The Caspian Gull (Larus cachinnans) is a robust, medium-to-large gull, typically measuring 56-68 cm in length with a wingspan of 130-158 cm and weighing 700-1500 g. Adults display a pale grey mantle, contrasting with pristine white underparts, head, and tail, and prominent black wingtips with distinct white mirrors on primaries. Its relatively long, yellow bill often features a subterminal red spot, and its legs are long and typically yellowish to dull orange. A key diagnostic feature is its ...
Primarily found in arid steppes, semi-deserts, and near large inland water bodies, including lakes, rivers, and artificial reservoirs. Also frequently utilizes coastal areas, estuaries, and urban environments for foraging and roosting, generally at low to moderate elevations.
Highly omnivorous and opportunistic, consuming a wide range of items including fish, discarded human food and refuse, carrion, insects, eggs and chicks of other birds, small mammals, and reptiles. Primarily forages by scavenging, surface-seizing, aerial hawking, and active hunting.
Caspian Gulls are diurnal and highly social birds, often congregating in large numbers at communal roosts on sandbars, beaches, or reservoirs outside the breeding season. Their foraging strategies are highly opportunistic and varied, encompassing active predation, extensive scavenging at refuse d...
The Caspian Gull primarily breeds across Eastern Europe and Central Asia, extending from the Black Sea coast eastward through Ukraine, southern Russia, Kazakhstan, Uzbekistan, and Turkmenistan, reaching into western China. Its core breeding distribution centers around inland saline lakes, river d...
Least Concern
- The Caspian Gull was only officially recognized as a full species separate from the Herring Gull (Larus argentatus) relatively recently, leading to significant identification challenges for birders. - They are renowned for their adaptability, thriving in human-modified landscapes and often freq...