Black-tailed Gull vs Indian Skimmer
Larus crassirostris 对比 Rynchops albicollis
Side-by-Side Comparison
| 属性 | Black-tailed Gull | Indian Skimmer |
|---|---|---|
| 学名 | Larus crassirostris | Rynchops albicollis |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Endangered |
| 体长 | — | — |
| 翼展 | 72.8 cm (28.7 in) | 74.4 cm (29.3 in) |
| 体重 | 675.0 g (23.81 oz) | 164.0 g (5.78 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-3 | 2-5 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Black-tailed Gull
Endangered
Indian Skimmer
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。
Indian Skimmer
Indian Skimmer: 38–43 cm, black-and-white skimmer with an orange-and-yellow bill and white collar. Resident on large sandy rivers of the Indian subcontinent. VU. Feeds by skimming river surface with protruding lower mandible to catch fish. Severely threatened by sand-mining, dam building, and human disturbance at nesting colonies.