Yellow-billed Pintail vs African Pygmy-goose
Anas georgica comparado com Nettapus auritus
Side-by-Side Comparison
| Atributo | Yellow-billed Pintail | African Pygmy-goose |
|---|---|---|
| Nome científico | Anas georgica | Nettapus auritus |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 41,1 cm (16.2 in) | 29,9 cm (11.8 in) |
| Peso | 626,6666666666666 g (22.11 oz) | 272,5 g (9.61 oz) |
| Dieta | Eats aquatic invertebrates, molluscs, and small fish; dives in shallow water; diet varies between freshwater … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| Tamanho da postura | 3-12 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Yellow-billed Pintail only
African Pygmy-goose only
Nenhum
Yellow-billed Pintail
Freshwater and brackish lakes, rivers, marshes, and bogs from the Andes to Patagonia in South America, plus the Falkland Islands and South Georgia. Ranges from sea level to high altitudes. Partially migratory.
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
Yellow-billed Pintail
Female gives a nasal, descending quacking series; male utters a short, whistled note. Calls are softer than the Northern Pintail; heard across South American lakes and pampas marshes.
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
Yellow-billed Pintail
Breeds across the northern Palearctic; winters in Europe, North Africa, the Middle East, and South Asia.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Estado de conservação
Yellow-billed Pintail
African Pygmy-goose
How to Tell Them Apart
Yellow-billed Pintail
Brown plumage with pale buff feather edges creating scalloped pattern. Yellow bill with black ridge and tip. Pointed tail; long neck. Iridescent speculum with buff front border. Sexes similar. Andean …
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
Yellow-billed Pintail
O pato amarelo-castanho é um pato dabbling encontrado na América do Sul e nas ilhas da Geórgia do Sul. Apresenta uma plumagem castanha mosqueada com a cabeça estriada e um espelho alar verde-dourado marcante. É amplamente distribuído em zonas húmidas andinas e patagónicas, desde a Colômbia e Venezuela até à Terra do Fogo. As populações das ilhas da Geórgia do Sul são isoladas e foram propostas como subespécie separada.
African Pygmy-goose
O pato-pigmeu-africano é o menor pato africano e um dos menores da família dos anátidos. É encontrado em zonas húmidas tropicais de África subsariana. Os machos têm plumagem brilhante verde-escuro iridescente no dorso com flancos castanhos avermelhados e remendos brancos nas asas. Habita lagos, pântanos e áreas com vegetação aquática flutuante. Nidifica em ocos de árvore perto da água. A sua distribuição está ligada à presença de plantas aquáticas específicas.