Greater White-fronted Goose vs Mallard
Anser albifrons comparado com Anas platyrhynchos
Side-by-Side Comparison
| Atributo | Greater White-fronted Goose | Mallard |
|---|---|---|
| Nome científico | Anser albifrons | Anas platyrhynchos |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | 58,0 cm (22.8 in) |
| Envergadura | 81,6 cm (32.1 in) | 90,0 cm (35.4 in) |
| Peso | 2471,0 g (87.16 oz) | 1100,0 g (38.80 oz) |
| Dieta | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … |
| Tamanho da postura | 3-9 | 4-18 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partilhados
Greater White-fronted Goose only
Mallard only
Nenhum
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.
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
Song & Call Comparison
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.
Mallard
Female gives the classic 'quack-quack-quack', descending in pitch. Male utters soft nasal 'raeb-raeb'. Both give a high 'gag-gag-gag' when alarmed or taking flight.
Geographic Range & Migration
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.
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
Estado de conservação
Greater White-fronted Goose
Mallard
How to Tell Them Apart
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 …
Mallard
Breeding males have an iridescent green head, white neck ring, chestnut breast, and grey body. Females are mottled brown. Both sexes show a blue speculum bordered by white.
Broad, flat bill — yellow-green in males, orange-brown in females
About These Birds
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.
Mallard
The mallard is the ancestor of most domestic duck breeds and the most abundant and widespread dabbling duck in the world. Males perform elaborate courtship displays including head-bobbing and whistle-grunt calls. Mallards are highly adaptable, thriving in both wilderness and urban environments.