Hartlaub's Duck vs Blue-billed Teal
Pteronetta hartlaubii comparado con Spatula hottentota
Side-by-Side Comparison
| Atributo | Hartlaub's Duck | Blue-billed Teal |
|---|---|---|
| Nombre científico | Pteronetta hartlaubii | Spatula hottentota |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 53,4 cm (21.0 in) | 29,4 cm (11.6 in) |
| Peso | 910,0 g (32.10 oz) | 269,2 g (9.50 oz) |
| Dieta | Eats seeds, aquatic invertebrates, and plant matter; dabbles in ponds and marshes; diet more invertebrate-heavy … | Feeds on seeds, aquatic plants, and invertebrates; filter-feeds in shallow water; broadly omnivorous and seasonally … |
| Tamaño de la puesta | 7-11 | 5-12 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Hartlaub's Duck only
Blue-billed Teal only
Ninguno
Hartlaub's Duck
Tropical rainforest streams, forest pools, and shaded swamps from Guinea and Sierra Leone east through the Congo Basin to Uganda and western Kenya. Requires undisturbed riverine forest with shaded water.
Blue-billed Teal
Freshwater lakes, marshes, pans, and flooded grasslands across sub-Saharan Africa from Senegal and Sudan south to the Cape. Nomadic; follows seasonal rains. Common but easily overlooked among reed beds.
Song & Call Comparison
Hartlaub's Duck
A low, nasal 'quack' and soft 'kek-kek'. Generally quieter than other perching ducks. Calls from dense Central and West African rainforest where it is rarely observed.
Blue-billed Teal
Male utters a soft, teal-like peep; female gives a muted quack. Pairs call quietly in dense papyrus; soft contact calls help birds maintain proximity in thick African marsh vegetation.
Geographic Range & Migration
Hartlaub's Duck
Breeds in wetlands across Eurasia; winters from Africa and the Middle East to South and Southeast Asia.
Blue-billed Teal
Breeds in Arctic and subarctic Eurasia; winters at sea in the North Atlantic and from western Europe to eastern Africa.
Estado de conservación
Hartlaub's Duck
Blue-billed Teal
How to Tell Them Apart
Hartlaub's Duck
Dark chocolate-brown body; white patches at side of head distinctive. Males have dark blue frontal shield extending from bill. Wings show pale blue-gray inner forewing. Legs gray. West African forest …
Blue-billed Teal
Small; males have pale blue-gray bill contrasting with brown-gray body. Head finely spotted; underparts barred brown and white. Males show powder-blue forewing in flight. Females browner. African marsh species.
About These Birds
Hartlaub's Duck
El pato del Hartlaub es un pato africano de color oscuro que habita en ríos, riachuelos y estanques forestales de África central occidental, desde Guinea hasta el Congo. El macho tiene la cabeza blanca con una mancha negra en la coronilla. Es una especie poco conocida y de distribución bastante restringida a los bosques densos del África ecuatorial.
Blue-billed Teal
A small dark teal with blue-grey bill and legs, brown-streaked plumage, and fine pale spotting on the flanks. The most widespread teal in sub-Saharan Africa. Found on freshwater lakes and marshes. Highly nomadic; follows seasonal rainfall. Swims low in the water like a pochard.