Black-tailed Gull vs Black-bellied Tern
Larus crassirostris 比較対象 Sterna acuticauda
Side-by-Side Comparison
| 属性 | Black-tailed Gull | Black-bellied Tern |
|---|---|---|
| 学名 | Larus crassirostris | Sterna acuticauda |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Least Concern | Endangered |
| 体長 | — | — |
| 翼開長 | 72.8 cm (28.7 in) | 44.8 cm (17.6 in) |
| 体重 | 675.0 g (23.81 oz) | 159.5 g (5.63 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Black-tailed Gull
Endangered
Black-bellied Tern
About These Birds
Black-tailed Gull
ウミネコは日本を中心とした東アジアの沿岸に分布し、猫のような鳴き声が特徴的な大型のカモメである。
Black-bellied Tern
Black-bellied Tern, 32–34 cm, is an Endangered freshwater tern of the Indian subcontinent, breeding on large river sandbars from Pakistan to Myanmar. Black belly contrasts with grey upperparts in breeding plumage; orange bill. Plunge-dives for small fish. Severely threatened by river modification.