Caspian Gull vs Black-tailed Gull

Larus cachinnans compared with Larus crassirostris

Side-by-Side Comparison

Attribute Caspian Gull Black-tailed Gull
Scientific Name Larus cachinnans Larus crassirostris
Order Charadriiformes Charadriiformes
Family Laridae Laridae
Conservation Status Least Concern Least Concern
Length
Wingspan 85.4 cm (33.6 in) 72.8 cm (28.7 in)
Weight 1090.0 g (38.45 oz) 675.0 g (23.81 oz)
Diet -- --
Clutch Size 1-4 2-3
Population Trend

Habitat Comparison

Shared Habitats

Caspian Gull only

Black-tailed Gull only

None

Conservation Status

Least Concern

Caspian Gull

Least Concern

Black-tailed Gull

About These Birds

Caspian Gull

Caspian Gull, 56–68 cm, breeds around the Black Sea and Caspian Sea, wintering to the Middle East and East Africa. Long parallel-sided bill, rounded head, pale eye with yellowish orbital ring, pinkish legs. Omnivore; scavenges at landfills and forages in agricultural fields. Partially migratory.

Black-tailed Gull

Black-tailed Gull, 44–48 cm, is common on East Asian coasts from Russia to China, Japan, and Korea. Grey mantle, white body, yellow bill with red spot and black subterminal band, yellow legs. Omnivore; very vocal, known as the 'cat gull' for its mewing calls. Migratory; winters south to Vietnam.

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