Greater White-fronted Goose vs Silver Teal
Anser albifrons comparado con Spatula versicolor
Side-by-Side Comparison
| Atributo | Greater White-fronted Goose | Silver Teal |
|---|---|---|
| Nombre científico | Anser albifrons | Spatula versicolor |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 81,6 cm (32.1 in) | 37,0 cm (14.6 in) |
| Peso | 2471,0 g (87.16 oz) | 409,75 g (14.45 oz) |
| Dieta | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … | Dabbles for seeds, aquatic plants, and invertebrates; diet varies with season; forages in shallow ponds … |
| Tamaño de la puesta | 3-9 | 6-10 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Greater White-fronted Goose only
Silver Teal only
Ninguno
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.
Silver Teal
Freshwater wetlands, marshes, lakes, and flooded fields from sea level to 3,500 m in southern South America from Peru and Bolivia through Chile, Argentina, Uruguay, and southern Brazil.
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.
Silver Teal
Male produces a soft, nasal prrp note; female gives a subdued quack. Quiet vocalizations suit the species' secretive nature in South American reedy marshes.
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.
Silver Teal
Breeds in sub-Arctic Europe and western Russia; winters on coasts of Western Europe, the Mediterranean, and the Caspian Sea.
Estado de conservación
Greater White-fronted Goose
Silver Teal
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 …
Silver Teal
Black crown contrasting with white face and sides. Body pale silvery-gray with fine dark vermiculations. Bold yellow-and-black bill. Blue-gray forewing and iridescent green speculum in flight. Sexes similar.
About These Birds
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.
Silver Teal
A medium-sized teal with a striking black cap, white face, blue bill with yellow sides, and boldly spotted scaly-looking flanks. Widespread in lowland and mid-altitude South America. Often found in pairs or small groups. Feeds by dabbling in shallow water.