White-tufted Grebe vs Alaotra Grebe
Rollandia rolland 비교 대상 Tachybaptus rufolavatus
Side-by-Side Comparison
| 속성 | White-tufted Grebe | Alaotra Grebe |
|---|---|---|
| 학명 | Rollandia rolland | Tachybaptus rufolavatus |
| 목 | Podicipediformes | Podicipediformes |
| 과 | Podicipedidae | Podicipedidae |
| 보전 상태 | Least Concern | Extinct |
| 체장 | — | — |
| 날개 폭 | 26.9 cm (10.6 in) | — |
| 체중 | 336.0 g (11.85 oz) | — |
| 식성 | -- | -- |
| 산란 수 | 1-6 | -- |
| Population Trend | — | — |
Habitat Comparison
보전 상태
Least Concern
White-tufted Grebe
Extinct
Alaotra Grebe
About These Birds
White-tufted Grebe
White-tufted Grebe (Rollandia rolland) is a small 22–27 cm grebe of southern South America, from Peru and Bolivia south to Tierra del Fuego. Dark brown with distinctive white facial tufts extending from cheeks; chestnut neck sides. Inhabits freshwater lakes, bogs, and slow rivers. Partially migratory; nomadic in austral winter.
Alaotra Grebe
Alaotra Grebe (Tachybaptus rufolavatus) is an extinct small grebe formerly endemic to Lake Alaotra, Madagascar. Pale buff-brown, weak-winged, likely flightless or near-flightless. Last confirmed record 1985; declared extinct in 2010.