Titicaca Grebe vs Alaotra Grebe
Rollandia microptera so với Tachybaptus rufolavatus
Side-by-Side Comparison
| Thuộc Tính | Titicaca Grebe | Alaotra Grebe |
|---|---|---|
| Tên Khoa Học | Rollandia microptera | Tachybaptus rufolavatus |
| Bộ | Podicipediformes | Podicipediformes |
| Họ | Podicipedidae | Podicipedidae |
| Tình Trạng Bảo Tồn | Endangered | Extinct |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 23,5 cm (9.3 in) | — |
| Khối Lượng | 706,0 g (24.90 oz) | — |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-4 | -- |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Endangered
Titicaca Grebe
Extinct
Alaotra 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.
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.