Titicaca Grebe vs Least Grebe
Rollandia microptera 对比 Tachybaptus dominicus
Side-by-Side Comparison
| 属性 | Titicaca Grebe | Least Grebe |
|---|---|---|
| 学名 | Rollandia microptera | Tachybaptus dominicus |
| 目 | Podicipediformes | Podicipediformes |
| 科 | Podicipedidae | Podicipedidae |
| 保护状况 | Endangered | Least Concern |
| 体长 | — | — |
| 翼展 | 23.5 cm (9.3 in) | 19.4 cm (7.6 in) |
| 体重 | 706.0 g (24.90 oz) | 134.75 g (4.75 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-4 | 4-6 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Endangered
Titicaca Grebe
Least Concern
Least Grebe
About These Birds
Titicaca Grebe
Titicaca Grebe (Rollandia microptera) is a large 28–45 cm flightless grebe endemic to Lake Titicaca on the Peru-Bolivia border at 3,800 m elevation. Brown with rufous neck; greatly reduced wings. Largest of its genus. Endangered; population ~2,000 birds; declining from gill-net drowning, egg collection, and reed-bed reduction. IUCN Endangered.
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.