Yellow-billed Loon vs Common Loon
Gavia adamsii 比較対象 Gavia immer
Side-by-Side Comparison
| 属性 | Yellow-billed Loon | Common Loon |
|---|---|---|
| 学名 | Gavia adamsii | Gavia immer |
| 目 | Gaviiformes | Gaviiformes |
| 科 | Gaviidae | Gaviidae |
| 保全状況 | Near Threatened | Least Concern |
| 体長 | — | — |
| 翼開長 | 74.3 cm (29.3 in) | 73.0 cm (28.7 in) |
| 体重 | 5125.0 g (180.78 oz) | 4898.333333333333 g (172.78 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 2 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Near Threatened
Yellow-billed Loon
Least Concern
Common 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.
Common Loon
北米・北欧の湖に生息するアビ（体長70〜90cm）。夏羽は黒白のチェック模様の背面と斑のある首のネックレスが美しい。Gavia immer（アビ）は「笑い声」のような独特の鳴き声で北米の湖の夏の象徴とされる。優れた潜水能力で1分以上潜り、魚を捕食する。冬は沿岸で越冬。Gaviidae科。