Mongolian Gull vs Aleutian Tern
Larus mongolicus compared with Onychoprion aleuticus
Side-by-Side Comparison
| Attribute | Mongolian Gull | Aleutian Tern |
|---|---|---|
| Scientific Name | Larus mongolicus | Onychoprion aleuticus |
| Order | Charadriiformes | Charadriiformes |
| Family | Laridae | Laridae |
| Conservation Status | Not Evaluated | Vulnerable |
| Length | — | — |
| Wingspan | — | 52.4 cm (20.6 in) |
| Weight | 1163.75 g (41.05 oz) | 104.88 g (3.70 oz) |
| Diet | -- | -- |
| Clutch Size | -- | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Not Evaluated
Mongolian Gull
Vulnerable
Aleutian Tern
About These Birds
Mongolian Gull
Mongolian Gull, 55–65 cm, breeds at high-altitude lakes in Mongolia and winters on coasts of China, Korea, and Japan. Pale grey mantle, pink orbital ring, yellow bill. Recently recognised as a full species, split from the Herring Gull complex. Omnivore; forages at inland lakes and coastal estuaries.
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.