Wood Duck vs Greater White-fronted Goose
Aix sponsa comparado com Anser albifrons
Side-by-Side Comparison
| Atributo | Wood Duck | Greater White-fronted Goose |
|---|---|---|
| Nome científico | Aix sponsa | Anser albifrons |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 44,1 cm (17.4 in) | 81,6 cm (32.1 in) |
| Peso | 691,75 g (24.40 oz) | 2471,0 g (87.16 oz) |
| Dieta | Dabbles for seeds and aquatic invertebrates; diet shifts between plant matter and invertebrates seasonally in … | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … |
| Tamanho da postura | 9-15 | 3-9 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Wood Duck only
Greater White-fronted Goose only
Wood Duck
Wooded swamps, beaver ponds, forested river margins, and tree-lined lakes in eastern and western North America. Nests in tree cavities up to 15m high. Readily uses nest boxes. Winters on wooded freshwater wetlands.
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
Wood Duck
Male gives a loud, rising 'jeeee' whistle; female gives a soft, nasal 'oo-eek'. One of North America's most beautiful ducks; its call matches its spectacular appearance.
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
Wood Duck
Breeds in Eurasia; winters across tropical and southern Africa, the Middle East, and South and Southeast 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
Wood Duck
Greater White-fronted Goose
How to Tell Them Apart
Wood Duck
Males iridescent green and purple-crested head with white throat patches and facial stripes. Chestnut breast, buffy flanks, dark back. Red eye and bill. Females gray-brown with white eye-ring teardrop. Spectacular …
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
Wood Duck
Um dos patos mais vistosos da América do Norte, pertencente à família Anatidae. O Pato-carolina (Aix sponsa) habita florestas ripárias e zonas úmidas arboladas no leste da América do Norte e na costa do Pacífico. Mede aproximadamente 47-54 cm. Os machos têm plumagem nupcial elaborada com crista verde e roxa iridescente, patches vermelhos e brancos no rosto. Nidifica em cavidades de árvores próximas a água. Alimenta-se de sementes, frutos e insetos aquáticos. Um dos poucos patos que empoleira em árvores. …
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.