Black-bellied Whistling-duck vs African Pygmy-goose
Dendrocygna autumnalis comparado con Nettapus auritus
Side-by-Side Comparison
| Atributo | Black-bellied Whistling-duck | African Pygmy-goose |
|---|---|---|
| Nombre científico | Dendrocygna autumnalis | Nettapus auritus |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 48,2 cm (19.0 in) | 29,9 cm (11.8 in) |
| Peso | 757,9 g (26.73 oz) | 272,5 g (9.61 oz) |
| Dieta | Grazes subarctic tundra grasses and sedges; winters on coastal salt marshes and agricultural fields eating … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| Tamaño de la puesta | 9-18 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Black-bellied Whistling-duck only
Ninguno
African Pygmy-goose only
Ninguno
Black-bellied Whistling-duck
Freshwater wetlands, ponds, lake margins, flooded fields, and wooded swamps from the southern United States and Mexico through Central America to Ecuador, Bolivia, and Argentina. Uses nest boxes readily.
African Pygmy-goose
Freshwater lakes, ponds, and rivers with floating water lilies and other aquatic vegetation across sub-Saharan Africa from Senegal to Tanzania. Nests in tree cavities near water. Highly dependent on water lily vegetation.
Song & Call Comparison
Black-bellied Whistling-duck
A high, reedy whistle 'pe-che-che-ne' given in flight. Flocks produce a continuous whistling chorus. Also gives a squeaky 'whe-eee' contact call while swimming.
African Pygmy-goose
Male produces a soft, wheezy whistle; female gives a quiet, duck-like quack. Pairs exchange rapid twittering notes during courtship on lily-covered African pools.
Geographic Range & Migration
Black-bellied Whistling-duck
Inhabits freshwater marshes and riverbanks from southeastern Brazil to northern Argentina and Bolivia. Sedentary; locally common.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Estado de conservación
Black-bellied Whistling-duck
African Pygmy-goose
How to Tell Them Apart
Black-bellied Whistling-duck
Gray head with brown cap and chestnut breast; black belly is distinctive. Wings show broad white patch in flight. Coral-pink bill and long pink legs. Upright posture. Sexes similar.
African Pygmy-goose
Tiny. Males have glossy dark green head with orange facial patch and ear spot; chestnut-orange flanks; white underparts; black and green back. Females duller with dark eye-stripe. Small yellow-green bill.
About These Birds
Black-bellied Whistling-duck
El pato silbador piquirrojo es un pato silbador de América, reconocible por el largo pico rojo, las patas rojas y el plumaje de color castaño con blanco en el ala en vuelo. Es un pato sociable y ruidoso que habita en lagunas, pantanos y humedales tropicales desde el sur de Texas hasta el norte de Argentina. Anida en huecos de árboles, a menudo en cavidades de palmeras.
African Pygmy-goose
El pigmeo africano o pato enano africano es el pato más pequeño de África y uno de los patos más pequeños del mundo. Tiene plumaje de color verde oscuro y blanco con el cuello de color castaño rojizo. Habita en lagunas tranquilas, estanques y pantanos con abundante vegetación flotante, especialmente lirios de agua, en África subsahariana.