Black-tailed Gull vs South American Tern
Larus crassirostris 比較対象 Sterna hirundinacea
Side-by-Side Comparison
| 属性 | Black-tailed Gull | South American Tern |
|---|---|---|
| 学名 | Larus crassirostris | Sterna hirundinacea |
| 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) | 59.3 cm (23.3 in) |
| 体重 | 675.0 g (23.81 oz) | 190.25 g (6.71 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
South American 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。
South American Tern
South American Tern, 40–44 cm, is the largest South American tern, breeding from Peru around Cape Horn to southeastern Brazil. Red bill, grey mantle, black cap. Pelagic and coastal piscivore; strong plunge-diver. Movements poorly known; some populations may migrate north along both coasts.