Mongolian Gull vs Aleutian Tern
Larus mongolicus so với Onychoprion aleuticus
Side-by-Side Comparison
| Thuộc Tính | Mongolian Gull | Aleutian Tern |
|---|---|---|
| Tên Khoa Học | Larus mongolicus | Onychoprion aleuticus |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Not Evaluated | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 52,4 cm (20.6 in) |
| Khối Lượng | 1163,75 g (41.05 oz) | 104,88 g (3.70 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | -- | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
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.