Great Crested Grebe vs Red-necked Grebe
Podiceps cristatus مقارنةً بـ Podiceps grisegena
Side-by-Side Comparison
| السمة | Great Crested Grebe | Red-necked Grebe |
|---|---|---|
| الاسم العلمي | Podiceps cristatus | Podiceps grisegena |
| الرتبة | Podicipediformes | Podicipediformes |
| الفصيلة | Podicipedidae | Podicipedidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 36,7 cm (14.4 in) | 33,4 cm (13.1 in) |
| الوزن | 843,8333333333334 g (29.77 oz) | 1120,6666666666667 g (39.53 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 3-5 | 3-5 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
Great Crested Grebe
Least Concern
Red-necked Grebe
About These Birds
Great Crested Grebe
Great Crested Grebe (Podiceps cristatus) is a large 46–51 cm, elegant grebe of Eurasia, Africa, and Australasia. Breeding plumage: elaborate chestnut and black head crest and ruff; white face; reddish-pink bill. Inhabits large freshwater lakes and reservoirs; winters on coastal seas. Wingspan to 90 cm. Famous for mirror-display courtship dance.
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.