Brown-hooded Gull vs Aleutian Tern

Larus maculipennis compared with Onychoprion aleuticus

Side-by-Side Comparison

Attribute Brown-hooded Gull Aleutian Tern
Scientific Name Larus maculipennis Onychoprion aleuticus
Order Charadriiformes Charadriiformes
Family Laridae Laridae
Conservation Status Least Concern Vulnerable
Length
Wingspan 58.2 cm (22.9 in) 52.4 cm (20.6 in)
Weight 364.5 g (12.86 oz) 104.88 g (3.70 oz)
Diet -- --
Clutch Size 1-4 1-4
Population Trend

Habitat Comparison

Shared Habitats

Brown-hooded Gull only

None

Aleutian Tern only

None

Conservation Status

Least Concern

Brown-hooded Gull

Vulnerable

Aleutian Tern

About These Birds

Brown-hooded Gull

Brown-hooded Gull, 35–38 cm, breeds on freshwater lakes and coastal areas of southern South America from Chile to Argentina. Reddish bill, brown-chocolate hood in breeding plumage. Coastal and inland omnivore; follows fishing boats and ploughs. Winters north along both coasts.

Aleutian Tern

Aleutian Tern, 32–34 cm, breeds colonially in Alaska and Russian Far East, wintering in Southeast Asian waters — one of the most poorly tracked migrations among seabirds. Dark grey above, white below, black cap with white forehead. Piscivore; dives for small fish. Near Threatened.

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