Knob-billed Duck
Sarkidiornis melanotos
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Acerca de
El pato crestudo africano y asiático es un gran pato arbóreo de África subsahariana, Madagascar y el sur de Asia. Similar al pato crestudo del Nuevo Mundo, el macho tiene una llamativa protuberancia sobre el pico que se vuelve mayor en la época de cría. Es un ave de grandes llanuras inundadas, pantanos y zonas de selva con ríos y lagunas de agua tranquila.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| Envergadura | 64,2 cm | 25.3 in |
| Peso | 1817,5 g | 64.11 oz |
Identificación
Plumaje
Males have white head with black spots; iridescent dark blue-black back and wings; white underparts with gray flanks. Large black fleshy knob atop bill. Females smaller, brown, and lack the knob. African species.
Habitat & Range
Freshwater lakes, marshes, floodplains, and forested wetlands across sub-Saharan Africa and South and Southeast Asia from India to southern China. Nests in large tree hollows near water.
Distribución geográfica
Breeds on sub-Arctic tundra; winters on the Atlantic coast of North America from Labrador to Florida and the Gulf Coast.
Diet & Feeding
Dabbles for seeds and aquatic invertebrates; diet shifts toward invertebrate prey in spring breeding season; widespread palearctic duck.
Estado de conservación
Comportamiento y reproducción
Nidificación
Nest type: CV. Incubation: 28-30 days. Fledging: 70 days.
Tamaño de la puesta
6-20
Sonido
Canto
A low, grunting 'wuk' or soft, nasal 'krank'. Similar to Comb Duck in call quality. Generally quiet; calls are not loud or distinctive compared to other large African waterfowl.
Taxonomía
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| Orden | Anseriformes (Aves Acuáticas) |
| Familia | Anatidae (Patos, Gansos y Cisnes) |
| Genus | Sarkidiornis |
| Especies | Sarkidiornis melanotos |
Distribution
Knob-billed Duck has been recorded in 7 countries.
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External Databases
Preguntas frecuentes
What does the Knob-billed Duck eat?
Where does the Knob-billed Duck live?
Is the Knob-billed Duck endangered?
How does the Knob-billed Duck nest?
What does the Knob-billed Duck sound like?
How big is the Knob-billed Duck?
What order and family does the Knob-billed Duck belong to?
Similar Birds
Other species in the Anatidae family