Andean Gull vs Little Tern

Larus serranus compared with Sternula albifrons

Side-by-Side Comparison

Attribute Andean Gull Little Tern
Scientific Name Larus serranus Sternula albifrons
Order Charadriiformes Charadriiformes
Family Laridae Laridae
Conservation Status Least Concern Least Concern
Length
Wingspan 70.6 cm (27.8 in) 33.9 cm (13.3 in)
Weight 478.0 g (16.86 oz) 55.0 g (1.94 oz)
Diet -- --
Clutch Size 1-4 1-4
Population Trend

Habitat Comparison

Shared Habitats

Andean Gull only

None

Little Tern only

Conservation Status

Least Concern

Andean Gull

Least Concern

Little Tern

About These Birds

Andean Gull

Andean Gull, 45–48 cm, breeds at high-altitude Andean lakes from Colombia to Argentina, typically above 3000 m. Black hood in breeding plumage; white below with grey mantle. Largely insectivore, following cattle or foraging at lake edges. Partial altitudinal migrant descending to Pacific and Atlantic coasts in winter.

Little Tern

Little Tern is one of the world's smallest terns, 21–25 cm, breeding along coastlines and rivers across Europe, Asia, Africa, and Australia. White below, grey above, with a yellow bill tipped black and a white forehead patch. Hovers and plunge-dives for small fish. Migratory; winters in tropical coasts.

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