Atlantic White Tern vs White-fronted Tern
Gygis alba 对比 Sterna striata
Side-by-Side Comparison
| 属性 | Atlantic White Tern | White-fronted Tern |
|---|---|---|
| 学名 | Gygis alba | Sterna striata |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Near Threatened |
| 体长 | — | — |
| 翼展 | 50.4 cm (19.8 in) | 54.8 cm (21.6 in) |
| 体重 | 138.0 g (4.87 oz) | 131.5 g (4.64 oz) |
| 食性 | -- | -- |
| 产卵数 | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Atlantic White Tern
Near Threatened
White-fronted Tern
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。
White-fronted Tern
White-fronted Tern, 35–43 cm, is New Zealand's most common tern, breeding on coastal and riverine sites throughout the islands. White forehead contrasts with black cap; orange-red bill. Piscivore; hovers and plunge-dives in coastal waters and off river mouths. Winters on Australian coasts.