Lesser Whistling-duck vs African Pygmy-goose
Dendrocygna javanica comparado con Nettapus auritus
Side-by-Side Comparison
| Atributo | Lesser Whistling-duck | African Pygmy-goose |
|---|---|---|
| Nombre científico | Dendrocygna javanica | Nettapus auritus |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 38,8 cm (15.3 in) | 29,9 cm (11.8 in) |
| Peso | 525,0 g (18.52 oz) | 272,5 g (9.61 oz) |
| Dieta | Grazes subarctic grasses and rushes; migratory; winters on estuarine mudflats and coastal grasslands eating eelgrass … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| Tamaño de la puesta | 7-17 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Lesser Whistling-duck only
African Pygmy-goose only
Ninguno
Lesser Whistling-duck
Freshwater wetlands, lakes, rice paddies, mangroves, and slow rivers across South and Southeast Asia from India through southern China to Borneo and Indonesia. Common near cultivated land and human settlements.
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
Lesser Whistling-duck
A softer, higher-pitched whistle than other Dendrocygna. Call is a quick 'we-we' given in flight. Smaller size reflected in higher-pitched and thinner quality of call.
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
Lesser Whistling-duck
Breeds on tundra of northern Canada and Alaska; winters on the Pacific coast from California to Mexico and Central America.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Estado de conservación
Lesser Whistling-duck
African Pygmy-goose
How to Tell Them Apart
Lesser Whistling-duck
Warm chestnut-brown overall; head and neck brown; upperparts dark brown. Chestnut rump and upper-tail conspicuous in flight. Flanks chestnut with pale streaks. Bill and legs dark gray. 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
Lesser Whistling-duck
El pato silbador menor es el más pequeño de los patos silbadores y está ampliamente distribuido en el sur y el sudeste de Asia. Tiene plumaje de color marrón castaño con tonos más oscuros en el dorso. Habita en pantanos, arrozales, lagunas y ríos lentos con vegetación en India, Sri Lanka, el sudeste asiático e Indonesia. Es una especie nocturna que forrajea principalmente de noche.
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.