Western Grebe vs Least Grebe
Aechmophorus occidentalis 比較対象 Tachybaptus dominicus
Side-by-Side Comparison
| 属性 | Western Grebe | Least Grebe |
|---|---|---|
| 学名 | Aechmophorus occidentalis | Tachybaptus dominicus |
| 目 | Podicipediformes | Podicipediformes |
| 科 | Podicipedidae | Podicipedidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 36.9 cm (14.5 in) | 19.4 cm (7.6 in) |
| 体重 | 1302.5 g (45.94 oz) | 134.75 g (4.75 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 3-4 | 4-6 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Western Grebe
Least Concern
Least Grebe
About These Birds
Western Grebe
Western Grebe (Aechmophorus occidentalis) is a large 55–75 cm grebe of western North America. Elegant black and white pattern; long sinuous neck; long yellow-green bill; red eye. Inhabits large freshwater lakes; winters on coastal seas. Famous for synchronized rushing-water courtship display. Feeds mainly on fish. Wingspan to 102 cm.
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.