Greater White-fronted Goose vs Northern Shoveler
Anser albifrons comparado com Spatula clypeata
Side-by-Side Comparison
| Atributo | Greater White-fronted Goose | Northern Shoveler |
|---|---|---|
| Nome científico | Anser albifrons | Spatula clypeata |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 81,6 cm (32.1 in) | 45,3 cm (17.8 in) |
| Peso | 2471,0 g (87.16 oz) | 631,5 g (22.28 oz) |
| Dieta | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Eats seeds, aquatic plants, and invertebrates; dabbles in wetlands; broadly omnivorous diet shifts with season … |
| Tamanho da postura | 3-9 | 5-14 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Greater White-fronted Goose only
Nenhum
Northern Shoveler 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.
Northern Shoveler
Breeds on freshwater prairie ponds, marshes, and lake margins across Eurasia and North America. Winters on coastal lagoons, estuaries, freshwater lakes, and rice paddies in tropical and subtropical regions worldwide.
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.
Northern Shoveler
Male gives a low, hollow took-took call; female produces a laughing, descending quacking series. Courtship includes head-bobbing displays accompanied by quiet nasal grunting calls.
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.
Northern Shoveler
Breeds across sub-Arctic and boreal Eurasia; winters from the British Isles to China, Japan, and Southeast Asia.
Estado de conservação
Greater White-fronted Goose
Northern Shoveler
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 …
Northern Shoveler
Breeding males have iridescent green head, white breast, and rufous-chestnut flanks. Yellow eye. Pale blue forewing and green speculum. Females mottled brown. Massive spatulate bill unique among ducks. Dimorphic.
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.
Northern Shoveler
A medium-sized duck with a dramatically large spatula-shaped bill perfectly adapted for filter-feeding. Males have an iridescent green head, white breast, chestnut flanks, and sky-blue wing patches. Highly migratory; one of the Northern Hemisphere's most widespread ducks.