African Black Duck vs White-winged Duck
Anas sparsa comparado con Asarcornis scutulata
Side-by-Side Comparison
| Atributo | African Black Duck | White-winged Duck |
|---|---|---|
| Nombre científico | Anas sparsa | Asarcornis scutulata |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Critically Endangered |
| Longitud | — | — |
| Envergadura | 49,5 cm (19.5 in) | 68,3 cm (26.9 in) |
| Peso | 996,8333333333334 g (35.16 oz) | 2950,0 g (104.06 oz) |
| Dieta | -- | Feeds on seeds, plant material, and aquatic invertebrates; dabbles in shallow water; diet varies widely … |
| Tamaño de la puesta | 4-9 | 6-15 |
| Population Trend | — | — |
Habitat Comparison
African Black Duck
Fast-flowing rocky rivers and streams, mountain gorges, and waterfalls from sea level to 4,000 m across sub-Saharan Africa from Ethiopia and Kenya south to the Cape. Requires clear turbulent water with boulders.
White-winged Duck
Undisturbed lowland tropical forest near slow rivers, pools, and forest swamps at low elevations in northeastern India, Bangladesh, Myanmar, and Sumatra. Requires large trees with nest cavities near permanent water.
Song & Call Comparison
African Black Duck
Produces a harsh, resonant quacking call; alarm is a loud, emphatic quack repeated rapidly. Both sexes call with strong quacking; pairs duet with synchronized calls along African rivers.
White-winged Duck
Critically endangered; extremely rare in wild. Gives low guttural hissing calls and soft wing-beating sounds. Vocalizations in wild scarcely documented given its rarity.
Geographic Range & Migration
African Black Duck
White-winged Duck
Breeds in northern Eurasia; winters in sub-Saharan Africa. A classic Palearctic–African migrant with a wide wintering range.
Estado de conservación
African Black Duck
White-winged Duck
How to Tell Them Apart
African Black Duck
Dark blackish-brown plumage with bold white spots on back and scapulars. Iridescent blue-green speculum with white borders. Head dark with pale spots. Bill and legs dark gray. Sexes similar. Fast-flowing …
White-winged Duck
Dark brown body with pale spotting on head and neck. Bold white wing patch visible in flight. Yellowish-orange bill; legs orange. Head pale buffish-white speckled brown. Critically endangered SE Asian …
About These Birds
African Black Duck
El pato africano moteado es un pato de tamaño mediano de color marrón oscuro con motas blancas en el pecho y los flancos. Habita en ríos de rápido caudal, cascadas y arroyos de montaña en África central y meridional, siendo inusual entre los patos por su preferencia por aguas corrientes y turbulentas. También se encuentra en altitudes elevadas en las zonas montañosas de África oriental.
White-winged Duck
El pato blanquibronceado o pato silvestre es una especie en peligro de extinción del sur y el sudeste de Asia. Tiene el plumaje negro brillante con la cabeza y el cuello de color blanco en el macho. Habita en densos bosques tropicales con ríos, lagunas y pantanos en India, Bangladés, Myánmar, Laos, Tailandia, Vietnam e Indonesia. La deforestación lo ha reducido a pequeñas poblaciones.