Indian Spot-billed Duck vs Greater White-fronted Goose
Anas poecilorhyncha comparado con Anser albifrons
Side-by-Side Comparison
| Atributo | Indian Spot-billed Duck | Greater White-fronted Goose |
|---|---|---|
| Nombre científico | Anas poecilorhyncha | Anser albifrons |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 54,4 cm (21.4 in) | 81,6 cm (32.1 in) |
| Peso | 1220,0 g (43.03 oz) | 2471,0 g (87.16 oz) |
| Dieta | Dives for fish and aquatic invertebrates in clear cold streams; serrated bill adapted for catching … | Dabbles for aquatic invertebrates, seeds, and plant material; diet shifts heavily toward invertebrates in breeding … |
| Tamaño de la puesta | 6-12 | 3-9 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Indian Spot-billed Duck only
Ninguno
Greater White-fronted Goose only
Indian Spot-billed Duck
Freshwater lakes, rivers, marshes, rice paddies, and tanks across the Indian subcontinent to Southeast Asia. Common near human habitation. Largely sedentary with some local seasonal movement.
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
Indian Spot-billed Duck
Female gives a loud, emphatic quacking series; male produces a raspy rehb note. Calls are Mallard-like but slightly lower; flocks create a cacophonous quacking chorus on Indian lakes.
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
Indian Spot-billed Duck
Resident in freshwater lakes and rivers across Southeast Asia, from Myanmar to Indonesia and the Philippines.
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
Indian Spot-billed Duck
Greater White-fronted Goose
How to Tell Them Apart
Indian Spot-billed Duck
Large brownish duck with pale face and distinctive yellow-tipped black bill with red basal spot. Dark cap and eye stripe. Iridescent green speculum with white border. White tertials visible at …
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
Indian Spot-billed Duck
El pato de pico manchado es un pato grande de color marrón con un pico negro con punta amarilla y manchas rojas llamativas en la base. Ampliamente distribuido por el sur y el este de Asia, desde el subcontinente indio hasta Japón, habita en una variedad de humedales de agua dulce. Existen varias subespecies que difieren levemente en el patrón del pico y las marcas faciales.
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.