Arctic Loon vs Common Loon
Gavia arctica 对比 Gavia immer
Side-by-Side Comparison
| 属性 | Arctic Loon | Common Loon |
|---|---|---|
| 学名 | Gavia arctica | Gavia immer |
| 目 | Gaviiformes | Gaviiformes |
| 科 | Gaviidae | Gaviidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 57.2 cm (22.5 in) | 73.0 cm (28.7 in) |
| 体重 | 2955.0 g (104.23 oz) | 4898.333333333333 g (172.78 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-3 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Arctic Loon
Least Concern
Common Loon
About These Birds
Arctic Loon
Arctic Loon, 58–73 cm, breeds across Eurasian boreal and Arctic lakes from Scotland to Siberia, wintering on European and Asian coasts. Black head with green iridescence, bold white flank patch, chequered black-and-white back in breeding plumage. Piscivore; dives to 60 m. Migratory.
Common Loon
普通潜鸟（约3.5公斤）是加拿大和美国北部湖泊的代表性鸟类，以其悠扬的鸣声为人所知。具有黑白色繁殖羽，包括黑色头部和颈部白色项圈。以潜水方式捕食鱼类。无危；种群数量稳定，但酸雨和铅中毒是局部威胁因素。