Black-tailed Gull vs Greater Crested Tern
Larus crassirostris 对比 Thalasseus bergii
Side-by-Side Comparison
| 属性 | Black-tailed Gull | Greater Crested Tern |
|---|---|---|
| 学名 | Larus crassirostris | Thalasseus bergii |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 72.8 cm (28.7 in) | 71.6 cm (28.2 in) |
| 体重 | 675.0 g (23.81 oz) | 367.75 g (12.97 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-3 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Black-tailed Gull
Least Concern
Greater Crested Tern
About These Birds
Black-tailed Gull
黑尾鸥以日本为中心分布于东亚沿岸，以猫叫声为特征的大型鸥类。
Greater Crested Tern
Greater Crested Tern, 43–48 cm, is the largest crested tern of the Indo-Pacific, breeding from South Africa to Japan and Australia. Yellow-green bill, prominent black crest, grey back. Colonial breeder on sand islands; plunge-dives for fish. Partially migratory; disperses across Indian and Pacific Oceans.