Common Gull-billed Tern vs Aleutian Tern
Gelochelidon nilotica 对比 Onychoprion aleuticus
Side-by-Side Comparison
| 属性 | Common Gull-billed Tern | Aleutian Tern |
|---|---|---|
| 学名 | Gelochelidon nilotica | Onychoprion aleuticus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | — | — |
| 翼展 | 61.6 cm (24.3 in) | 52.4 cm (20.6 in) |
| 体重 | 214.075 g (7.55 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
Common Gull-billed Tern
Vulnerable
Aleutian Tern
About These Birds
Common Gull-billed Tern
鸥嘴噪鸥（约250克）是一种翼展约90厘米的燕鸥，具有独特的粗短黑色喙。繁殖于各大洲的海岸、湖泊和盐沼，越冬于热带地区。通常不像其他燕鸥那样扎入水中捕鱼，而是捕食昆虫、蜥蜴和小型啮齿动物。无危；分布广泛但较为稀少。
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.