Green-winged Teal vs Greater White-fronted Goose
Anas carolinensis comparado con Anser albifrons
Side-by-Side Comparison
| Atributo | Green-winged Teal | Greater White-fronted Goose |
|---|---|---|
| Nombre científico | Anas carolinensis | Anser albifrons |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 35,0 cm (13.8 in) | 81,6 cm (32.1 in) |
| Peso | 330,5 g (11.66 oz) | 2471,0 g (87.16 oz) |
| Dieta | Eats aquatic invertebrates, molluscs, and seeds; dives in shallow water; diet shifts between invertebrates and … | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … |
| Tamaño de la puesta | -- | 3-9 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Green-winged Teal only
Ninguno
Greater White-fronted Goose only
Green-winged Teal
Breeds on boreal and subarctic wetlands across North America. Winters on freshwater marshes, coastal estuaries, rice paddies, and shallow wetlands from the southern United States to Central America and the Caribbean.
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
Green-winged Teal
Male produces a high, clear krick call; female gives a subdued quack. Closely related to Common Teal; male's ringing call punctuates North American freshwater marshes in spring.
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
Green-winged Teal
Breeds in Arctic regions; winters at sea across the North Pacific, from Alaska to Japan and northern California.
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 conservación
Green-winged Teal
Greater White-fronted Goose
How to Tell Them Apart
Green-winged Teal
Males have chestnut head with iridescent green eye patch; gray body; vertical white shoulder stripe (vs. horizontal in Common Teal). Cream and black undertail. Females mottled brown. Smallest North American …
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
Green-winged Teal
La cerceta aliazul americana, antes considerada una subespecie de la cerceta común euroasiática, es ahora tratada como especie separada. El macho presenta una cabeza castaña con un parche verde oscuro bordeado por una fina línea crema. Cría en humedales de Norteamérica, desde la tundra hasta los pantanos del sur, e inverna en el sur de Estados Unidos y Centro América.
Greater White-fronted Goose
El ánsar careto o ganso careto mayor es un ganso mediano de color pardo con una llamativa mancha blanca en la frente y barras negras en el vientre. Tiene un amplio rango de cría en la tundra ártica del hemisferio norte y migra a zonas templadas de Europa, Asia y América del Norte para pasar el invierno, donde a menudo se reúne en grandes bandadas en campos agrícolas.