Andean Gull vs Forster's Tern
Larus serranus 对比 Sterna forsteri
Side-by-Side Comparison
| 属性 | Andean Gull | Forster's Tern |
|---|---|---|
| 学名 | Larus serranus | Sterna forsteri |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 70.6 cm (27.8 in) | 50.5 cm (19.9 in) |
| 体重 | 478.0 g (16.86 oz) | 151.25 g (5.34 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-4 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Andean Gull
Least Concern
Forster's 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。
Forster's Tern
Forster's Tern, 33–36 cm, breeds in interior North American marshes and winters along both US coasts and into Mexico. Distinctive frosted silver upperparts and orange-based bill. In non-breeding plumage, shows a black eye-mask. Piscivore; hovers and plunge-dives in coastal bays and lagoons.