Red-necked Grebe vs Alaotra Grebe
Podiceps grisegena comparado con Tachybaptus rufolavatus
Side-by-Side Comparison
| Atributo | Red-necked Grebe | Alaotra Grebe |
|---|---|---|
| Nombre científico | Podiceps grisegena | Tachybaptus rufolavatus |
| Orden | Podicipediformes | Podicipediformes |
| Familia | Podicipedidae | Podicipedidae |
| Estado de conservación | Least Concern | Extinct |
| Longitud | — | — |
| Envergadura | 33,4 cm (13.1 in) | — |
| Peso | 1120,6666666666667 g (39.53 oz) | — |
| Dieta | -- | -- |
| Tamaño de la puesta | 3-5 | -- |
| Population Trend | — | — |
Habitat Comparison
Estado de conservación
Least Concern
Red-necked Grebe
Extinct
Alaotra 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.
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.