Heermann's Gull vs Fairy Tern
Larus heermanni 对比 Sternula nereis
Side-by-Side Comparison
| 属性 | Heermann's Gull | Fairy Tern |
|---|---|---|
| 学名 | Larus heermanni | Sternula nereis |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Near Threatened | Vulnerable |
| 体长 | — | — |
| 翼展 | 67.2 cm (26.5 in) | 35.6 cm (14.0 in) |
| 体重 | 448.26666666666665 g (15.81 oz) | 68.5 g (2.42 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Heermann's Gull
Vulnerable
Fairy Tern
About These Birds
Heermann's Gull
赫尔曼鸥在加利福尼亚海岸和下加利福尼亚半岛岛屿繁殖,以暗色体色和红色嘴为特征。
Fairy Tern
Fairy Tern, 22–25 cm, breeds in southern Australia, New Zealand, and New Caledonia on sandy beaches. White and pale grey with an orange-yellow bill; delicate and buoyant in flight. Piscivore; hovers and plunge-dives in shallow coastal and estuarine waters. Vulnerable due to beach disturbance.