Brent Goose vs Cinnamon Teal
Branta bernicla comparado com Spatula cyanoptera
Side-by-Side Comparison
| Atributo | Brent Goose | Cinnamon Teal |
|---|---|---|
| Nome científico | Branta bernicla | Spatula cyanoptera |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 63,9 cm (25.2 in) | 37,5 cm (14.8 in) |
| Peso | 1335,0 g (47.09 oz) | 406,25 g (14.33 oz) |
| Dieta | Primarily herbivorous; grazes aquatic plants, grasses, and sedges; swans upend in shallow water for submerged … | Eats seeds, aquatic plants, and invertebrates; dabbles in wetland shallows; broadly omnivorous diet varies with … |
| Tamanho da postura | 1-10 | 4-16 |
| Population Trend | — | — |
Habitat Comparison
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.
Cinnamon Teal
Freshwater and brackish marshes, ponds, and shallow lakes with emergent vegetation in western North America and wintering in Central and South America. Uses seasonal wetlands and agricultural ponds.
Song & Call Comparison
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.
Cinnamon Teal
Male produces a high, whistled peep; female gives a soft quacking rattle. The male's bright whistle punctuates North American and South American wetland dawns during migration.
Geographic Range & Migration
Brent Goose
Breeds across boreal and subarctic Canada and Alaska; winters in the southern United States, Mexico, and Central America.
Cinnamon Teal
Breeds in Arctic Canada and Alaska; winters on sea ice and coasts of the North Atlantic and North Pacific.
Estado de conservação
Brent Goose
Cinnamon Teal
How to Tell Them Apart
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.
Cinnamon Teal
Males striking; deep cinnamon-red head and body with dark brown back. Red eye. Pale blue forewing and green speculum. Females mottled brown with pale blue forewing. Bill spatulate. Dimorphic western …
About These Birds
Brent Goose
O ganso-ruivo é um pequeno ganso marinho que cria na tundra ártica e hiberna em costas marinhas temperadas. Tem cabeça e pescoço pretos com remendo branco manchado no pescoço. As subespécies variam nas cores do ventre de pálido a escuro. Alimenta-se de ervas marinhas, alfaces-do-mar e outras plantas costeiras. As populações colapsaram nos anos 1930 devido ao declínio das ervas marinhas, mas recuperaram com o retorno destas. Estão entre os gansos que percorrem as maiores distâncias de migração.
Cinnamon Teal
A small duck. Males are brilliant all-over cinnamon-red with a bright blue-grey wing patch and red eye; females are mottled brown. Found in western North America and South America. Breeds in western United States and winters in Central America and South America.