Pacific Loon vs Red-throated Loon
Gavia pacifica 对比 Gavia stellata
Side-by-Side Comparison
| 属性 | Pacific Loon | Red-throated Loon |
|---|---|---|
| 学名 | Gavia pacifica | Gavia stellata |
| 目 | Gaviiformes | Gaviiformes |
| 科 | Gaviidae | Gaviidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 58.2 cm (22.9 in) | 55.1 cm (21.7 in) |
| 体重 | 1756.1666666666667 g (61.95 oz) | 1816.6666666666667 g (64.08 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Pacific Loon
Least Concern
Red-throated Loon
About These Birds
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.
Red-throated Loon
红喉潜鸟（约2公斤）是体型最小的潜鸟，繁殖于北极和亚北极湖泊，在沿海地区越冬。繁殖羽具有砖红色喉斑。以鱼类为食，善于潜水捕猎。无危；在北极地区广布，但某些越冬种群面临来自油污和渔网的威胁。