Great Black-backed Gull vs African Skimmer
Larus marinus 对比 Rynchops flavirostris
Side-by-Side Comparison
| 属性 | Great Black-backed Gull | African Skimmer |
|---|---|---|
| 学名 | Larus marinus | Rynchops flavirostris |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 95.6 cm (37.6 in) | 66.4 cm (26.1 in) |
| 体重 | 1678.3333333333333 g (59.20 oz) | 165.66666666666666 g (5.84 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-3 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Great Black-backed Gull
Least Concern
African Skimmer
About These Birds
Great Black-backed Gull
大黑背鸥（约1.8公斤）是体型最大的鸥类，具有黑色翅膀和背部、白色体部。分布于北大西洋沿岸。以鱼类、软体动物、腐肉甚至其他海鸟和蛋为食的凶猛掠食者和食腐动物。无危；在部分沿海地区种群数量有所增加，对其他海鸟繁殖群构成影响。
African Skimmer
African Skimmer: 36–42 cm, black-and-white skimmer with a long bright orange-yellow bill where the lower mandible is longer than the upper. Flies low over large rivers and lakes, cutting the water surface with the lower bill to catch fish. Resident and partial migrant along large rivers and lakes of sub-Saharan Africa. NT.