Black-tailed Gull vs Chinese Crested Tern
Larus crassirostris 对比 Thalasseus bernsteini
Side-by-Side Comparison
| 属性 | Black-tailed Gull | Chinese Crested Tern |
|---|---|---|
| 学名 | Larus crassirostris | Thalasseus bernsteini |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Critically Endangered |
| 体长 | — | — |
| 翼展 | 72.8 cm (28.7 in) | 63.8 cm (25.1 in) |
| 体重 | 675.0 g (23.81 oz) | 280.0 g (9.88 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-3 | 1 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Black-tailed Gull
Critically Endangered
Chinese 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。
Chinese Crested Tern
Chinese Crested Tern is Critically Endangered, fewer than 50 individuals known. Breeding sites on small rocky islands off eastern China; winters in Southeast Asia. Orange bill with yellow tip, black crest. Extremely similar to Greater Crested Tern; often overlooked in mixed colonies. Piscivore; plunge-dives.