Pallas's Gull vs Aleutian Tern
Larus ichthyaetus 对比 Onychoprion aleuticus
Side-by-Side Comparison
| 属性 | Pallas's Gull | Aleutian Tern |
|---|---|---|
| 学名 | Larus ichthyaetus | Onychoprion aleuticus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | — | — |
| 翼展 | 94.2 cm (37.1 in) | 52.4 cm (20.6 in) |
| 体重 | 1413.3333333333333 g (49.85 oz) | 104.88 g (3.70 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
保护状况
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.