Black-tailed Gull vs Saunders's Tern
Larus crassirostris 对比 Sternula saundersi
Side-by-Side Comparison
| 属性 | Black-tailed Gull | Saunders's Tern |
|---|---|---|
| 学名 | Larus crassirostris | Sternula saundersi |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 72.8 cm (28.7 in) | 33.6 cm (13.2 in) |
| 体重 | 675.0 g (23.81 oz) | 41.825 g (1.48 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-3 | 2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Black-tailed Gull
Least Concern
Saunders's 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。
Saunders's Tern
Saunders's Tern, 22–24 cm, is a small coastal tern of the Red Sea, Persian Gulf, and Indian Ocean coasts. Very similar to Little Tern; separated by darker outer primaries and slightly smaller size. Piscivore; hovers and dives in shallow coastal waters and tidal mudflats.