Pacific Loon vs Red-throated Loon
Gavia pacifica 比較対象 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 |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 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 | -- | -- |
| 一腹卵数 | 1-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
保全状況
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
Red-throated Loon, 53–69 cm, is the smallest loon, breeding on small Arctic and boreal tundra pools from Alaska to Scotland. Breeding adult: grey head, brick-red throat patch, plain brown-grey back. Distinctive upturned bill. Migratory; winters on coastal seas. Flies to separate feeding sites from breeding ponds.