Red-necked Grebe vs Hoary-headed Grebe
Podiceps grisegena ile kıyaslandığında Poliocephalus poliocephalus
Side-by-Side Comparison
| Özellik | Red-necked Grebe | Hoary-headed Grebe |
|---|---|---|
| Bilimsel Ad | Podiceps grisegena | Poliocephalus poliocephalus |
| Takım | Podicipediformes | Podicipediformes |
| Familya | Podicipedidae | Podicipedidae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 33,4 cm (13.1 in) | 22,0 cm (8.7 in) |
| Ağırlık | 1120,6666666666667 g (39.53 oz) | 243,16666666666666 g (8.58 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 3-5 | 3-5 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Red-necked Grebe only
Hiçbiri
Hoary-headed Grebe only
Hiçbiri
Koruma Durumu
Red-necked Grebe
Hoary-headed 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.
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.