Relict Gull vs Aleutian Tern

Larus relictus compared with Onychoprion aleuticus

Side-by-Side Comparison

Attribute Relict Gull Aleutian Tern
Scientific Name Larus relictus Onychoprion aleuticus
Order Charadriiformes Charadriiformes
Family Laridae Laridae
Conservation Status Vulnerable Vulnerable
Length — —
Wingspan 67.0 cm (26.4 in) 52.4 cm (20.6 in)
Weight 516.75 g (18.23 oz) 104.88 g (3.70 oz)
Diet -- --
Clutch Size 2-3 1-4
Population Trend — —

Habitat Comparison

Shared Habitats

Relict Gull only

None

Aleutian Tern only

None

Conservation Status

Vulnerable

Relict Gull

Vulnerable

Aleutian Tern

About These Birds

Relict Gull

Relict Gull, 44–46 cm, is a Vulnerable species breeding on remote saline lakes in Mongolia and northern China. Black hood with white eye-crescents, red bill, red legs. Very poorly known outside breeding season; winters on Yellow Sea coasts. Threatened by drought and wetland degradation.

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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