Indian Spot-billed Duck vs Brent Goose
Anas poecilorhyncha comparado con Branta bernicla
Side-by-Side Comparison
| Atributo | Indian Spot-billed Duck | Brent Goose |
|---|---|---|
| Nombre científico | Anas poecilorhyncha | Branta bernicla |
| Orden | Anseriformes | Anseriformes |
| Familia | Anatidae | Anatidae |
| Estado de conservación | Least Concern | Least Concern |
| Longitud | — | — |
| Envergadura | 54,4 cm (21.4 in) | 63,9 cm (25.2 in) |
| Peso | 1220,0 g (43.03 oz) | 1335,0 g (47.09 oz) |
| Dieta | Dives for fish and aquatic invertebrates in clear cold streams; serrated bill adapted for catching … | Primarily herbivorous; grazes aquatic plants, grasses, and sedges; swans upend in shallow water for submerged … |
| Tamaño de la puesta | 6-12 | 1-10 |
| Population Trend | — | — |
Habitat Comparison
Hábitats compartidos
Indian Spot-billed Duck only
Ninguno
Brent 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.
Brent Goose
Breeds on high-Arctic tundra; winters on estuaries, coastal mudflats, saltmarshes, and sea-grass beds along Atlantic and Pacific coastlines. One of the most strictly coastal wintering 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.
Brent Goose
A low, guttural 'rronk' or 'ronk-ronk' from flocks. Soft nasal calls in feeding groups. A subtle, understated call for a goose — less loud than most Anser geese.
Geographic Range & Migration
Indian Spot-billed Duck
Resident in freshwater lakes and rivers across Southeast Asia, from Myanmar to Indonesia and the Philippines.
Brent Goose
Breeds across boreal and subarctic Canada and Alaska; winters in the southern United States, Mexico, and Central America.
Estado de conservación
Indian Spot-billed Duck
Brent 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 …
Brent Goose
Small; mostly black head, neck, and breast. Small white neck-patch on adults. Back dark brownish-gray; belly pale gray to white depending on subspecies. White undertail coverts. Sexes similar.
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.
Brent Goose
El barnacla brenta o barnacla negruzca es un pequeño ganso marino de color negro y gris oscuro con un pequeño parche blanco a los lados del cuello. Cría en la tundra ártica y migra a zonas costeras templadas del hemisferio norte en invierno, donde se alimenta principalmente de zostera, un tipo de hierba marina. Es el único ganso que pasa el invierno en ambientes exclusivamente marinos.