Black-tailed Gull vs Least Tern
Larus crassirostris 比較対象 Sternula antillarum
Side-by-Side Comparison
| 属性 | Black-tailed Gull | Least Tern |
|---|---|---|
| 学名 | Larus crassirostris | Sternula antillarum |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 72.8 cm (28.7 in) | 33.0 cm (13.0 in) |
| 体重 | 675.0 g (23.81 oz) | 46.75 g (1.65 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 2-3 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Black-tailed Gull
Least Concern
Least 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。
Least Tern
Least Tern is North America's smallest tern, 22–24 cm, breeding on sandy beaches and river sandbars from the Atlantic coast to the interior. Endangered (interior subspecies). Yellow bill, white forehead, grey upperparts. Hovers and plunge-dives for small fish in coastal and riverine habitats.