Andean Gull vs Black-bellied Tern
Larus serranus 对比 Sterna acuticauda
Side-by-Side Comparison
| 属性 | Andean Gull | Black-bellied Tern |
|---|---|---|
| 学名 | Larus serranus | Sterna acuticauda |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Endangered |
| 体长 | — | — |
| 翼展 | 70.6 cm (27.8 in) | 44.8 cm (17.6 in) |
| 体重 | 478.0 g (16.86 oz) | 159.5 g (5.63 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-4 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Andean Gull
Endangered
Black-bellied Tern
About These Birds
Andean Gull
安第斯鸥栖息于安第斯山脉的高山湖泊，是适应高地湖泊繁殖的南美固有鸥类。
Black-bellied Tern
Black-bellied Tern, 32–34 cm, is an Endangered freshwater tern of the Indian subcontinent, breeding on large river sandbars from Pakistan to Myanmar. Black belly contrasts with grey upperparts in breeding plumage; orange bill. Plunge-dives for small fish. Severely threatened by river modification.