Common Loon vs Pacific Loon
Gavia immer 对比 Gavia pacifica
Side-by-Side Comparison
| 属性 | Common Loon | Pacific Loon |
|---|---|---|
| 学名 | Gavia immer | Gavia pacifica |
| 目 | Gaviiformes | Gaviiformes |
| 科 | Gaviidae | Gaviidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 73.0 cm (28.7 in) | 58.2 cm (22.9 in) |
| 体重 | 4898.333333333333 g (172.78 oz) | 1756.1666666666667 g (61.95 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-3 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Common Loon
Least Concern
Pacific Loon
About These Birds
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。
Pacific Loon
Pacific Loon, 58–74 cm, breeds on Arctic tundra lakes across Alaska and northern Canada, wintering off the Pacific coast to Baja California. Very similar to Arctic Loon but smaller, with a pale grey nape and purple-green throat patch. Piscivore; dives in coastal seas. Forms large flocks on migration.