Red-necked Grebe vs Australasian Grebe
Podiceps grisegena 比較対象 Tachybaptus novaehollandiae
Side-by-Side Comparison
| 属性 | Red-necked Grebe | Australasian Grebe |
|---|---|---|
| 学名 | Podiceps grisegena | Tachybaptus novaehollandiae |
| 目 | Podicipediformes | Podicipediformes |
| 科 | Podicipedidae | Podicipedidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 33.4 cm (13.1 in) | 20.4 cm (8.0 in) |
| 体重 | 1120.6666666666667 g (39.53 oz) | 190.5 g (6.72 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 3-5 | 1-9 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Red-necked Grebe
Least Concern
Australasian Grebe
About These Birds
Red-necked Grebe
Red-necked Grebe (Podiceps grisegena) is a medium 40–50 cm grebe of Eurasia and North America. Breeding plumage: rich chestnut-red neck and breast; grey-white cheeks; black cap; yellow-based bill. Inhabits freshwater lakes; winters on coastal seas. Wingspan to 85 cm. Migratory; breeds in boreal zone, winters on coastal waters.
Australasian Grebe
Australasian Grebe (Tachybaptus novaehollandiae) is a small 23–25 cm grebe of Australia, New Guinea, and many Pacific islands. Dark brown in breeding plumage with rich chestnut face sides and pale spot at base of bill. Inhabits freshwater lakes, ponds, reservoirs, and slow rivers. Very common across Australia.