Yellow-billed Pintail vs Greater White-fronted Goose
Anas georgica comparado com Anser albifrons
Side-by-Side Comparison
| Atributo | Yellow-billed Pintail | Greater White-fronted Goose |
|---|---|---|
| Nome científico | Anas georgica | Anser albifrons |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 41,1 cm (16.2 in) | 81,6 cm (32.1 in) |
| Peso | 626,6666666666666 g (22.11 oz) | 2471,0 g (87.16 oz) |
| Dieta | Eats aquatic invertebrates, molluscs, and small fish; dives in shallow water; diet varies between freshwater … | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … |
| Tamanho da postura | 3-12 | 3-9 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Yellow-billed Pintail only
Nenhum
Greater White-fronted 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.
Greater White-fronted Goose
Breeds on Arctic and subarctic tundra and peatlands. Winters on estuaries, agricultural fields, freshwater marshes, and flooded meadows across Europe, Asia, and North America. One of the most widespread geese.
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.
Greater White-fronted Goose
A loud, laughing 'kow-lyuk' or musical 'wah-wah'. Gives a distinctive high-pitched yodeling quality lacking in Greylag. Highly vocal in large winter flocks.
Geographic Range & Migration
Yellow-billed Pintail
Breeds across the northern Palearctic; winters in Europe, North Africa, the Middle East, and South Asia.
Greater White-fronted Goose
Breeds in the potholes region of the northern Great Plains; winters in the southern United States and along the Gulf Coast.
Estado de conservação
Yellow-billed Pintail
Greater White-fronted 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 …
Greater White-fronted Goose
Brown-gray body with white forehead patch bordered by white band at bill base. Underparts with bold irregular black bars on belly. Orange bill; orange-yellow legs. Juveniles lack white front and …
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.
Greater White-fronted Goose
O ganso-de-testa-branca é um ganso cinzento médio com uma característica faixa branca na frente da cabeça e barras pretas irregulares no ventre. Tem distribuição circumolar na tundra ártica onde cria, hibernando mais ao sul. As duas subespécies principais diferem no tamanho do bico e hibernam em diferentes regiões. Alimenta-se de plantas de tundra durante a criação e de pasto e culturas nas suas áreas de hibernada. É uma espécie cinegética amplamente caçada.