White-tufted Grebe vs Least Grebe
Rollandia rolland مقارنةً بـ Tachybaptus dominicus
Side-by-Side Comparison
| السمة | White-tufted Grebe | Least Grebe |
|---|---|---|
| الاسم العلمي | Rollandia rolland | Tachybaptus dominicus |
| الرتبة | Podicipediformes | Podicipediformes |
| الفصيلة | Podicipedidae | Podicipedidae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 26,9 cm (10.6 in) | 19,4 cm (7.6 in) |
| الوزن | 336,0 g (11.85 oz) | 134,75 g (4.75 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1-6 | 4-6 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
White-tufted Grebe
Least Concern
Least Grebe
About These Birds
White-tufted Grebe
White-tufted Grebe (Rollandia rolland) is a small 22–27 cm grebe of southern South America, from Peru and Bolivia south to Tierra del Fuego. Dark brown with distinctive white facial tufts extending from cheeks; chestnut neck sides. Inhabits freshwater lakes, bogs, and slow rivers. Partially migratory; nomadic in austral winter.
Least Grebe
Least Grebe (Tachybaptus dominicus) is the smallest New World grebe at 21–27 cm. Dark grey overall in breeding plumage with yellow eye, blackish cap, and short bill. Inhabits small freshwater ponds, ditches, and marshes from the southern USA through Central and South America to northern Argentina. Feeds on small fish and aquatic invertebrates.