Hoary-headed Grebe vs Alaotra Grebe
Poliocephalus poliocephalus से तुलना Tachybaptus rufolavatus
Side-by-Side Comparison
| विशेषता | Hoary-headed Grebe | Alaotra Grebe |
|---|---|---|
| वैज्ञानिक नाम | Poliocephalus poliocephalus | Tachybaptus rufolavatus |
| गण | Podicipediformes | Podicipediformes |
| कुल | Podicipedidae | Podicipedidae |
| संरक्षण स्थिति | Least Concern | Extinct |
| लंबाई | — | — |
| पंखों का फैलाव | 22.0 cm (8.7 in) | — |
| वजन | 243.16666666666666 g (8.58 oz) | — |
| आहार | -- | -- |
| अंडों की संख्या | 3-5 | -- |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Least Concern
Hoary-headed Grebe
Extinct
Alaotra Grebe
About These Birds
Hoary-headed Grebe
Hoary-headed Grebe (Poliocephalus poliocephalus) is a small 27–30 cm grebe endemic to Australia and southern New Guinea. Distinctive pale grey and white head with fine dark streaking giving 'hoary' appearance; chestnut neck sides. Inhabits open freshwater lakes and reservoirs. Highly nomadic, following rain across the arid interior.
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.