African Black Duck vs Hooded Merganser
Anas sparsa comparado con Lophodytes cucullatus
Side-by-Side Comparison
| Atributo | African Black Duck | Hooded Merganser |
|---|---|---|
| Nombre científico | Anas sparsa | Lophodytes cucullatus |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 49,5 cm (19.5 in) | 37,3 cm (14.7 in) |
| Peso | 996,8333333333334 g (35.16 oz) | 638,0 g (22.50 oz) |
| Dieta | -- | Dives for small fish, aquatic invertebrates, and frogs in clear freshwater streams and ponds. Uses … |
| Tamaño de la puesta | 4-9 | 6-18 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
African Black Duck only
Ninguno
Hooded Merganser only
Ninguno
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.
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.
Hooded Merganser
Male produces a low, rolling rolling-tum tumbling call; female gives a harsh, grating quack. The male's frog-like rolling call is unique among North American ducks during winter courtship.
Geographic Range & Migration
African Black Duck
Hooded Merganser
Breeds in forested wetlands of North America from southern Canada to the northern United States. Winters on rivers and lakes south to Mexico.
Estado de conservación
African Black Duck
Hooded Merganser
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 …
Hooded Merganser
Male has fan-shaped black-and-white erectile crest; black head and neck, white breast with two black bars, rich cinnamon flanks. Female is greyish-brown with rusty-cinnamon crest, paler below.
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.
Hooded Merganser
El merganso copetón es un pequeño y vistoso merganso de América del Norte con un gran y llamativo moño redondeado que el macho puede desplegar como un abanico, mostrando su centro blanco rodeado de negro. Cría en cavidades de árboles cerca de pequeños lagos y ríos boscosos. Es un experto pescador que captura peces y crustáceos en aguas claras.