White-backed Duck
Thalassornis leuconotus
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<birdfyi-bird slug="thalassornis-leuconotus"></birdfyi-bird>The White-backed Duck (Thalassornis leuconotus) is a bird species in the family Anatidae (ducks, geese & swans), within the order Anseriformes (waterfowl). Recorded measurements include a wingspan of 33.3 cm and a weight of 704.7 g. The IUCN Red List classifies it as Least Concern.
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Giới Thiệu
A small compact brown-barred diving duck with a distinctive white back visible in flight and a large dark-blotched bill. Shy and easily overlooked among floating aquatic vegetation. An expert diver, feeding on water-lily seeds and tubers in African freshwater wetlands.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| Chiều Dài Sải Cánh | 33,3 cm | 13.1 in |
| Khối Lượng | 704,6666666666666 g | 24.86 oz |
Nhận Dạng
Bộ Lông
Heavily mottled and barred brown and buff overall. Diagnostic white back patch visible in flight. Head brown with whitish face and chin. Stiff tail held erect. Sexes similar; stiff-tail diving duck.
Habitat & Range
Freshwater lakes, ponds, and swamps with abundant floating aquatic vegetation, especially water lilies, in sub-Saharan Africa and Madagascar. Prefers shallow sheltered water with emergent vegetation for cover.
Tình Trạng Bảo Tồn
Hành Vi & Sinh Sản
Làm Tổ
Incubation: 29-33 days. Fledging: 55 days.
Số Trứng
4-10
Âm Thanh
Tiếng Hót
Soft, low whistles and hissing sounds. The White-backed Duck is relatively quiet compared to whistling-ducks. Alarm call is a low 'peep'. Mostly heard at night.
Phân Loại Học
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| Bộ | Anseriformes (Waterfowl) |
| Họ | Anatidae (Ducks, Geese & Swans) |
| Genus | Thalassornis |
| Loài | Thalassornis leuconotus |
External Databases
Câu Hỏi Thường Gặp
Where does the White-backed Duck live?
Is the White-backed Duck endangered?
How does the White-backed Duck nest?
What does the White-backed Duck sound like?
How big is the White-backed Duck?
What order and family does the White-backed Duck belong to?
Similar Birds
Other species in the Anatidae family