African Black Duck vs Bufflehead
Anas sparsa comparado con Bucephala albeola
Side-by-Side Comparison
| Atributo | African Black Duck | Bufflehead |
|---|---|---|
| Nombre científico | Anas sparsa | Bucephala albeola |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 49,5 cm (19.5 in) | 32,2 cm (12.7 in) |
| Peso | 996,8333333333334 g (35.16 oz) | 400,5 g (14.13 oz) |
| Dieta | Eats molluscs, crustaceans, and aquatic invertebrates; dives in coastal and freshwater habitats; diet heavier in … | Dives for aquatic insects, crustaceans, and small molluscs in freshwater and coastal habitats. One of … |
| Tamaño de la puesta | 4-9 | 5-14 |
| 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.
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.
Bufflehead
Male produces a soft, squeaky whistle; female gives a harsh, nasal quack. The male's thin, reedy whistle is barely audible; pairs exchange quiet contact calls at boreal forest ponds.
Geographic Range & Migration
African Black Duck
Resident across South and Southeast Asia, from India to southern China and the Philippines. Non-migratory in most of its range.
Bufflehead
Breeds in boreal forest of western and central North America. Winters along both coasts and interior lakes from southern Canada south to Mexico.
Estado de conservación
African Black Duck
Bufflehead
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 …
Bufflehead
Male has iridescent green-purple head with a large triangular white patch from behind eye over crown; body clean white except for black back. Female is dark sooty-brown with a single …
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.
Bufflehead
El pato bufón o porrón albeola es el pato buceador más pequeño de América del Norte. El macho tiene un llamativo parche blanco en la nuca de la cabeza negro-verde iridiscente. Cría en cavidades de árboles cerca de lagos y estanques boscosos en Norteamérica, siendo uno de los pocos patos que anidan en huecos de árboles. Inverna principalmente en costas marinas.