Audouin's Gull vs Andean Gull

Larus audouinii compared with Larus serranus

Side-by-Side Comparison

Attribute Audouin's Gull Andean Gull
Scientific Name Larus audouinii Larus serranus
Order Charadriiformes Charadriiformes
Family Laridae Laridae
Conservation Status Vulnerable Least Concern
Length
Wingspan 78.9 cm (31.1 in) 70.6 cm (27.8 in)
Weight 610.5 g (21.53 oz) 478.0 g (16.86 oz)
Diet -- --
Clutch Size 1-4 1-4
Population Trend

Habitat Comparison

Shared Habitats

Audouin's Gull only

None

Andean Gull only

Conservation Status

Vulnerable

Audouin's Gull

Least Concern

Andean Gull

About These Birds

Audouin's Gull

Audouin's Gull, 44–48 cm, is a Near Threatened Mediterranean endemic, breeding mainly in the western basin. Coral-red bill with black and yellow band, grey mantle. Primarily piscivore; forages at sea at dusk for anchovies. Population recovered from 1,000 to over 20,000 pairs; now threatened by fishing bycatch.

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.

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