Red-necked Grebe vs Least Grebe
Podiceps grisegena 比較対象 Tachybaptus dominicus
Side-by-Side Comparison
| 属性 | Red-necked Grebe | Least Grebe |
|---|---|---|
| 学名 | Podiceps grisegena | Tachybaptus dominicus |
| 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) | 19.4 cm (7.6 in) |
| 体重 | 1120.6666666666667 g (39.53 oz) | 134.75 g (4.75 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 3-5 | 4-6 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Red-necked Grebe
Least Concern
Least 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.
Least Grebe
Least Grebe (Tachybaptus dominicus) is the smallest New World grebe at 21–27 cm. Dark grey overall in breeding plumage with yellow eye, blackish cap, and short bill. Inhabits small freshwater ponds, ditches, and marshes from the southern USA through Central and South America to northern Argentina. Feeds on small fish and aquatic invertebrates.