Pallas's Gull vs Aleutian Tern
Larus ichthyaetus so với Onychoprion aleuticus
Side-by-Side Comparison
| Thuộc Tính | Pallas's Gull | Aleutian Tern |
|---|---|---|
| Tên Khoa Học | Larus ichthyaetus | Onychoprion aleuticus |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 94,2 cm (37.1 in) | 52,4 cm (20.6 in) |
| Khối Lượng | 1413,3333333333333 g (49.85 oz) | 104,88 g (3.70 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Pallas's Gull
Vulnerable
Aleutian Tern
About These Birds
Pallas's Gull
Pallas's Gull, 57–61 cm, is the world's largest hooded gull, breeding on Central Asian lakes and wintering in the Indian Ocean. Massive yellow bill with orange tip, black hood with white eye-crescents. Piscivore; plunge-dives and pirates food from other seabirds. Partially migratory.
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.