Madagascar Teal vs Brent Goose
Anas bernieri comparé à Branta bernicla
Side-by-Side Comparison
| Attribut | Madagascar Teal | Brent Goose |
|---|---|---|
| Nom scientifique | Anas bernieri | Branta bernicla |
| Ordre | Anseriformes | Anseriformes |
| Famille | Anatidae | Anatidae |
| Statut de conservation | Endangered | Least Concern |
| Longueur | — | — |
| Envergure | 38,9 cm (15.3 in) | 63,9 cm (25.2 in) |
| Poids | 365,0 g (12.88 oz) | 1335,0 g (47.09 oz) |
| Régime alimentaire | Dives for molluscs, crustaceans, and aquatic invertebrates; diet dominated by hard-shelled benthic invertebrates year-round. | Primarily herbivorous; grazes aquatic plants, grasses, and sedges; swans upend in shallow water for submerged … |
| Taille de la couvée | 2-10 | 1-10 |
| Population Trend | — | — |
Habitat Comparison
Madagascar Teal
Mangroves, coastal lagoons, freshwater lakes, and rivers of western Madagascar. Endangered; restricted to small fragmented wetland areas. Nests in mangrove cavities or tree holes near water.
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
Madagascar Teal
Female gives a nasal, quacking series; male utters a soft whistle. Extremely rare; calls resemble Grey Teal but slightly softer; heard only in restricted Malagasy freshwater habitat.
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
Madagascar Teal
Breeds across northern and central North America; winters in the southern United States, Mexico, and Caribbean.
Brent Goose
Breeds across boreal and subarctic Canada and Alaska; winters in the southern United States, Mexico, and Central America.
Statut de conservation
Madagascar Teal
Brent Goose
How to Tell Them Apart
Madagascar Teal
Plain warm brown plumage with faint spotting; head slightly paler buff-brown. Orange-pink bill. Dull reddish-brown speculum. Orange legs. Sexes similar. Endangered Madagascar endemic; mangrove and coastal wetland specialist.
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
Madagascar Teal
A small brown teal with fine spotted plumage, red eye, and blue-green speculum. Endemic to Madagascar. Endangered; restricted to mangroves, coastal wetlands, and freshwater areas of western Madagascar. Threatened by habitat destruction and hunting.
Brent Goose
A small dark-bodied goose with a black head and neck, small white neck patches, and pale grey belly. Migrates between high-Arctic breeding grounds and temperate coastal wintering areas. Feeds on eel-grass and saltmarsh vegetation in winter. Three subspecies differ in belly coloration.