Red-necked Grebe vs Black-necked Grebe
Podiceps grisegena ile kıyaslandığında Podiceps nigricollis
Side-by-Side Comparison
| Özellik | Red-necked Grebe | Black-necked Grebe |
|---|---|---|
| Bilimsel Ad | Podiceps grisegena | Podiceps nigricollis |
| Takım | Podicipediformes | Podicipediformes |
| Familya | Podicipedidae | Podicipedidae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 33,4 cm (13.1 in) | 25,4 cm (10.0 in) |
| Ağırlık | 1120,6666666666667 g (39.53 oz) | 414,3333333333333 g (14.62 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 3-5 | 1-8 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Red-necked Grebe only
Hiçbiri
Black-necked Grebe only
Hiçbiri
Koruma Durumu
Least Concern
Red-necked Grebe
Least Concern
Black-necked 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.
Black-necked Grebe
Black-necked Grebe (Podiceps nigricollis) is a small 28–34 cm grebe of Eurasia, Africa, and the Americas. Breeding: black neck and head with golden fan-shaped ear-tufts; red eye. Inhabits alkaline and freshwater lakes; winters on coastal seas. Migratory.