Red-necked Grebe vs Titicaca Grebe
Podiceps grisegena مقارنةً بـ Rollandia microptera
Side-by-Side Comparison
| السمة | Red-necked Grebe | Titicaca Grebe |
|---|---|---|
| الاسم العلمي | Podiceps grisegena | Rollandia microptera |
| الرتبة | Podicipediformes | Podicipediformes |
| الفصيلة | Podicipedidae | Podicipedidae |
| حالة الحفاظ | Least Concern | Endangered |
| الطول | — | — |
| طول الجناح | 33,4 cm (13.1 in) | 23,5 cm (9.3 in) |
| الوزن | 1120,6666666666667 g (39.53 oz) | 706,0 g (24.90 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 3-5 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
Red-necked Grebe
Endangered
Titicaca 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.
Titicaca Grebe
Titicaca Grebe (Rollandia microptera) is a large 28–45 cm flightless grebe endemic to Lake Titicaca on the Peru-Bolivia border at 3,800 m elevation. Brown with rufous neck; greatly reduced wings. Largest of its genus. Endangered; population ~2,000 birds; declining from gill-net drowning, egg collection, and reed-bed reduction. IUCN Endangered.