Yellow-billed Loon vs Pacific Loon
Gavia adamsii compared with Gavia pacifica
Side-by-Side Comparison
| Attribute | Yellow-billed Loon | Pacific Loon |
|---|---|---|
| Scientific Name | Gavia adamsii | Gavia pacifica |
| Order | Gaviiformes | Gaviiformes |
| Family | Gaviidae | Gaviidae |
| Conservation Status | Near Threatened | Least Concern |
| Length | — | — |
| Wingspan | 74.3 cm (29.3 in) | 58.2 cm (22.9 in) |
| Weight | 5125.0 g (180.78 oz) | 1756.1666666666667 g (61.95 oz) |
| Diet | -- | -- |
| Clutch Size | 2 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Near Threatened
Yellow-billed Loon
Least Concern
Pacific Loon
About These Birds
Yellow-billed Loon
Yellow-billed Loon, 77–100 cm, is the largest loon, breeding on Arctic tundra lakes of North America and Russia, wintering on sub-Arctic coasts. Ivory-yellow upturned bill diagnostic. Otherwise similar to Common Loon. Piscivore; dives for fish in coastal waters. Near Threatened; climate-sensitive Arctic breeder.
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.