Wandering Whistling-duck vs Spur-winged Goose
Dendrocygna arcuata comparado com Plectropterus gambensis
Side-by-Side Comparison
| Atributo | Wandering Whistling-duck | Spur-winged Goose |
|---|---|---|
| Nome científico | Dendrocygna arcuata | Plectropterus gambensis |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 37,2 cm (14.6 in) | 104,5 cm (41.1 in) |
| Peso | 779,5 g (27.50 oz) | 4475,0 g (157.85 oz) |
| Dieta | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … | Eats seeds, invertebrates, and aquatic plants; dabbles in shallow water; omnivorous diet shifts with breeding … |
| Tamanho da postura | 6-15 | 6-14 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Wandering Whistling-duck only
Nenhum
Spur-winged Goose only
Wandering Whistling-duck
Tropical freshwater marshes, flooded grasslands, swamps, and lake margins from the Philippines and Indonesia through Papua New Guinea to northern and eastern Australia. Nomadic following wet season flooding.
Spur-winged Goose
Freshwater lakes, marshes, rivers, and flooded grasslands across sub-Saharan Africa from the Sahel to South Africa. Feeds along wetland margins and on agricultural land near water. Nests on the ground.
Song & Call Comparison
Wandering Whistling-duck
A soft whistle 'whi-whi-whi' in flight. Less vocal than other whistling-ducks; flocks tend to be quieter. Given at dawn and dusk during flight to roosting or feeding areas.
Spur-winged Goose
A harsh, goose-like clucking 'uk-uk-uk' in flight. Males give a whistling hiss. Large and ungainly; its loud wing beats and harsh calls are characteristic of savanna wetlands.
Geographic Range & Migration
Wandering Whistling-duck
Breeds in Arctic and subarctic regions; winters at sea around the Antarctic pack ice, one of the longest migrations known.
Spur-winged Goose
Breeds across Alaska and Canada in wetlands; winters along the Pacific coast from the Aleutians to Baja California.
Estado de conservação
Wandering Whistling-duck
Spur-winged Goose
How to Tell Them Apart
Wandering Whistling-duck
Rich chestnut-brown head and neck; dark brown back. Flanks rufous with pale buff streaks and dark spots. Belly blackish. Long, dark pinkish legs. Upright posture typical of whistling-ducks. Sexes similar.
Spur-winged Goose
Large; black upperparts with glossy green and purple iridescence. White forehead patch, facial skin reddish, and white underparts. Males have larger red facial caruncle and bill knob than females. Spur …
About These Birds
Wandering Whistling-duck
O parreco-vagabundo é um pato assobiadeiro encontrado da Indonésia e Filipinas à Austrália. Tem a coloração castanho-avermelhada típica dos parrecos com flancos largamente barrados de castanho-escuro e branco. Habita zonas húmidas de água doce, incluindo lagos, pântanos e planícies inundadas tropicais. É gregário e frequentemente mistura-se com outras espécies de parrecos. Os bandos podem ser muito numerosos durante as estações não reprodutoras.
Spur-winged Goose
O ganso-esporão é o maior ganso africano e um dos maiores patos do mundo. Os machos têm um esporão grande na curva da asa usado em disputas territoriais e proteção do ninho. Tem plumagem preta e branca marcante com face e garganta vermelhos e tubérculo vermelho-laranja no bico. Habita savanas, florestas e zonas húmidas na África subsariana, especialmente junto a rios e lagos. É comumente visto em pares ou pequenos grupos.