ExplorarAves

Knob-billed Duck

Sarkidiornis melanotos

The Knob-billed Duck is a unique bird with a big, funny knob on its bill! It loves to swim in lakes and rivers, and its beautiful feathers can be black and white.

Hábitat: Wetlands

Aspecto

The Knob-billed Duck has an iridescent black back and head, contrasting with a clean white belly and grey flanks. Males feature a large, prominent black knob atop their bill, which is noticeably larger during the breeding season. Its large size and unique bill knob make it easily identifiable among other waterfowl.

ReinoAnimaliaFiloChordataClaseAvesOrdenAnseriformesFamiliaAnatidaeGéneroSarkidiornis

Knob-billed Duck

Categoría

Aves

Rareza

Common

Peligro

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Snaps

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Datos interesantes

Males develop a dramatic, oversized knob on their bill when it's time to find a partner!

Sometimes, multiple female Knob-billed Ducks will share one giant nest for their eggs!

Their feathers shimmer with beautiful green and purple colors in the bright sunlight.

These ducks often lay their eggs in tree hollows, a very unusual nesting spot for ducks.

Habilidades especiales

Knob-billed Ducks can dive deep underwater to find food because of their strong, webbed feet that help them propel through the water.

The male Knob-billed Duck has a prominent fleshy knob on its bill that grows larger in breeding season, which helps attract a mate.

Knob-billed Ducks possess strong wings and streamlined bodies that enable powerful, swift flight, helping them travel between wetland habitats.

Medidas y detalles

Longitud: 56-76 cm
Envergadura: 105-145 cm
Peso: 1.2-2.9 kg
Esperanza de vida: 5-10 años
Top Speed: 60 km/h
Tamaño de la puesta: 7-15
Incubación: 28-30 días

Dieta y alimentación

They eat mostly plants, seeds, and aquatic insects found in wetland areas.

Alimentos principales

aquatic plants
seeds
grasses
insect larvae
small fish
mollusks

Método de búsqueda

Foraging

Conexiones ecológicas

eaten by

Nile Crocodile

Crocodylus niloticus

Large crocodiles sometimes prey on adult ducks or ducklings.

eaten by

African Fish Eagle

Haliaeetus vocifer

Fish eagles are powerful raptors that hunt ducks.

eats

Egyptian White Waterlily

Nymphaea lotus

Ducks consume seeds and parts of this common water plant.

eats

Rice

Oryza sativa

Found feeding on rice grains and sprouts in paddies.

Rasgos

Con plumas

Describe a los animales, principalmente aves, que poseen una cubierta de plumas.

Pies palmeados

Se caracteriza por tener los dedos conectados por una membrana, lo que generalmente ayuda a nadar.

Social

Los animales sociales viven en grupos organizados, cooperando para obtener beneficios de supervivencia como la búsqueda de alimento, la defensa y la cría de descendencia.

Colorido

Colorido describe a organismos u objetos que exhiben una amplia variedad de colores brillantes y distintivos.

Filtrador

Los filtradores obtienen nutrientes filtrando partículas de alimentos suspendidos y pequeños organismos del agua.

Herbívoro

Este rasgo caracteriza a los organismos cuya dieta consiste total o principalmente en material vegetal.

Humedal

Este rasgo de hábitat identifica especies que se encuentran en humedales, que son áreas de tierra saturadas de agua, ya sea permanente o estacionalmente, e incluyen marismas, pantanos y ciénagas.