African Pygmy-goose vs Paradise Shelduck
Nettapus auritus comparado con Tadorna variegata
Side-by-Side Comparison
| Atributo | African Pygmy-goose | Paradise Shelduck |
|---|---|---|
| Nombre científico | Nettapus auritus | Tadorna variegata |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 29,9 cm (11.8 in) | 70,2 cm (27.6 in) |
| Peso | 272,5 g (9.61 oz) | 1569,5 g (55.36 oz) |
| Dieta | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … | Eats seeds, grasses, and aquatic invertebrates; grazes near water; dabbles in shallows; diet varies with … |
| Tamaño de la puesta | 6-12 | 5-15 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
African Pygmy-goose only
Ninguno
Paradise Shelduck only
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.
Paradise Shelduck
Open farmland, grassland, lake shores, riverbeds, and wetlands throughout both main islands of New Zealand. Nests in caves, burrows, hollow trees, and dense vegetation. Highly territorial in the breeding season.
Song & Call Comparison
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.
Paradise Shelduck
Male gives a high-pitched whistle; female gives a loud, harsh cackling call 'rak-rak-rak'. New Zealand's only endemic shelduck; calls echoing in open farmland are distinctive.
Geographic Range & Migration
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Paradise Shelduck
Breeds in Eurasia from the UK to Siberia; winters across sub-Saharan Africa and the Indian subcontinent.
Estado de conservación
African Pygmy-goose
Paradise Shelduck
How to Tell Them Apart
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.
Paradise Shelduck
Extreme dimorphism. Males have black head with green gloss and black-and-chestnut body. Females have pure white head and neck contrasting with rich chestnut-rufous body. Both show white wing patches. New …
About These Birds
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.
Paradise Shelduck
El tarro de Nueva Zelanda o paradise shelduck es un llamativo y grande pato endémico de Nueva Zelanda donde el dimorfismo sexual es inusual: la hembra tiene la cabeza blanca y el macho tiene la cabeza oscura. El cuerpo es de color castaño oscuro con marcas alares de colores brillantes. Ha prosperado en pastizales agrícolas y es uno de los patos más abundantes de Nueva Zelanda.