Black-tailed Gull vs Yellow-footed Gull
Larus crassirostris 比較対象 Larus livens
Side-by-Side Comparison
| 属性 | Black-tailed Gull | Yellow-footed Gull |
|---|---|---|
| 学名 | Larus crassirostris | Larus livens |
| 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) | 80.7 cm (31.8 in) |
| 体重 | 675.0 g (23.81 oz) | 1295.0 g (45.68 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Black-tailed Gull
Least Concern
Yellow-footed 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。
Yellow-footed Gull
Yellow-footed Gull, 53–58 cm, has a very restricted range — endemic to the Gulf of California with post-breeding dispersal to Salton Sea. Yellow feet (unique among large western gulls), yellow bill with red spot. Piscivore and scavenger; forages on rocky shores. Resident; does not undertake long migrations.