Atlantic White Tern vs Audouin's Gull
Gygis alba 对比 Larus audouinii
Side-by-Side Comparison
| 属性 | Atlantic White Tern | Audouin's Gull |
|---|---|---|
| 学名 | Gygis alba | Larus audouinii |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | — | — |
| 翼展 | 50.4 cm (19.8 in) | 78.9 cm (31.1 in) |
| 体重 | 138.0 g (4.87 oz) | 610.5 g (21.53 oz) |
| 食性 | -- | -- |
| 产卵数 | 1 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Atlantic White Tern
Vulnerable
Audouin's Gull
About These Birds
Atlantic White Tern
白燕鸥是分布于热带海洋的优美鸟类，全身纯白，眼大而深色，喙细长。独特之处在于直接将单枚卵产在裸露的树枝或岩石上，不筑巢。广泛分布于太平洋和印度洋的热带岛屿，以小型鱼类和甲壳类为食，飞行优雅灵活。
Audouin's Gull
Audouin's Gull, 44–48 cm, is a Near Threatened Mediterranean endemic, breeding mainly in the western basin. Coral-red bill with black and yellow band, grey mantle. Primarily piscivore; forages at sea at dusk for anchovies. Population recovered from 1,000 to over 20,000 pairs; now threatened by fishing bycatch.