African Pygmy-goose vs Cotton Pygmy-goose
Nettapus auritus comparado con Nettapus coromandelianus
Side-by-Side Comparison
| Atributo | African Pygmy-goose | Cotton Pygmy-goose |
|---|---|---|
| Nombre científico | Nettapus auritus | Nettapus coromandelianus |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 29,9 cm (11.8 in) | 31,7 cm (12.5 in) |
| Peso | 272,5 g (9.61 oz) | 343,5 g (12.12 oz) |
| Dieta | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … | Feeds on aquatic invertebrates, seeds, and plant material; dabbles in shallow water; invertebrate diet peaks … |
| Tamaño de la puesta | 6-12 | 6-18 |
| Population Trend | — | — |
Habitat Comparison
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.
Cotton Pygmy-goose
Freshwater lakes, ponds, slow rivers, and rice paddies with aquatic vegetation from India east through Southeast Asia, China, and New Guinea to northern and eastern Australia. Nests in tree holes near water.
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.
Cotton Pygmy-goose
Male emits a rapid, clucking chatter resembling a toy rattle; female responds with soft, muffled quacks. In flight both sexes produce a distinctive whistling wing-beat.
Geographic Range & Migration
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Cotton Pygmy-goose
Breeds in northern Eurasia; winters in the tropics of Africa and Asia. Migratory; routes cross through the Middle East.
Estado de conservación
African Pygmy-goose
Cotton Pygmy-goose
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.
Cotton Pygmy-goose
Males white below and white-faced with dark green crown and collar; black back with iridescent green gloss; white wing bar conspicuous in flight. Females brown-gray with pale supercilium. Tiny; perches …
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.
Cotton Pygmy-goose
El pato enano de Asia es uno de los patos más pequeños del mundo, con el macho en plumaje nupcial de color negro brillante con el cuello, la parte delantera y una banda alar de color blanco. Habita en lagunas tranquilas con abundante vegetación acuática flotante en el sur y el sudeste de Asia y el norte de Australia. Anida en cavidades de árboles sobre el agua.