Black-tailed Gull vs Relict Gull
Larus crassirostris 比較対象 Larus relictus
Side-by-Side Comparison
| 属性 | Black-tailed Gull | Relict Gull |
|---|---|---|
| 学名 | Larus crassirostris | Larus relictus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 72.8 cm (28.7 in) | 67.0 cm (26.4 in) |
| 体重 | 675.0 g (23.81 oz) | 516.75 g (18.23 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Black-tailed Gull
Vulnerable
Relict Gull
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。
Relict Gull
Relict Gull, 44–46 cm, is a Vulnerable species breeding on remote saline lakes in Mongolia and northern China. Black hood with white eye-crescents, red bill, red legs. Very poorly known outside breeding season; winters on Yellow Sea coasts. Threatened by drought and wetland degradation.