Orinoco Goose vs African Pygmy-goose
Neochen jubata comparado con Nettapus auritus
Side-by-Side Comparison
| Atributo | Orinoco Goose | African Pygmy-goose |
|---|---|---|
| Nombre científico | Neochen jubata | Nettapus auritus |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Near Threatened | Least Concern |
| Longitud | — | — |
| Envergadura | 59,6 cm (23.5 in) | 29,9 cm (11.8 in) |
| Peso | 1558,0 g (54.96 oz) | 272,5 g (9.61 oz) |
| Dieta | Eats grasses, seeds, and aquatic invertebrates; grazes wetland margins; takes molluscs and crustaceans in shallow … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| Tamaño de la puesta | 6-10 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Orinoco Goose only
African Pygmy-goose only
Ninguno
Orinoco Goose
Tropical rivers, river islands, sandy beaches, and adjacent gallery forest in the Amazon and Orinoco basins. Nests in tree cavities or on the ground near rivers. Associated with braided river channels.
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
Orinoco Goose
A nasal 'honk-honk' call. Less frequently encountered than other South American waterfowl; calls from gallery forest beside major Orinoco tributaries during the breeding season.
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
Orinoco Goose
Bred on Amsterdam Island and possibly other sub-Antarctic islets. Extinct; flightless and confined to one small island.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Estado de conservación
Orinoco Goose
African Pygmy-goose
How to Tell Them Apart
Orinoco Goose
Pale cream-buff head and neck; chestnut-brown breast and flanks. Back dark brown; belly pale cream. Wings with iridescent green speculum and white inner secondaries. Bill dark; legs reddish-orange. 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
Orinoco Goose
La orinoquense o ganso del Orinoco es un ganso de América del Sur con la cabeza y el cuello de color canela claro y el cuerpo de color negro y blanco con partes de color castaño. Habita en orillas de ríos, lagunas y pantanos de la cuenca del Orinoco y el Amazonas, en Venezuela, Colombia, Brasil y el Perú. Es una especie poco común y está clasificada como casi amenazada.
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.