Common Gull vs Aleutian Tern
Larus canus 对比 Onychoprion aleuticus
Side-by-Side Comparison
| 属性 | Common Gull | Aleutian Tern |
|---|---|---|
| 学名 | Larus canus | Onychoprion aleuticus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | — | — |
| 翼展 | 70.2 cm (27.6 in) | 52.4 cm (20.6 in) |
| 体重 | 431.3333333333333 g (15.21 oz) | 104.88 g (3.70 oz) |
| 食性 | -- | -- |
| 产卵数 | 3-5 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Common Gull
Vulnerable
Aleutian Tern
About These Birds
Common Gull
普通鸥广泛繁殖于欧亚北部和北美西北部,在欧洲和东亚沿岸越冬的中型鸥类。
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.