Coscoroba Swan vs Mandarin Duck
Coscoroba coscoroba comparado com Aix galericulata
Side-by-Side Comparison
| Atributo | Coscoroba Swan | Mandarin Duck |
|---|---|---|
| Nome científico | Coscoroba coscoroba | Aix galericulata |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | 44,0 cm (17.3 in) |
| Envergadura | 84,2 cm (33.1 in) | 70,0 cm (27.6 in) |
| Peso | 4200,0 g (148.15 oz) | 570,0 g (20.11 oz) |
| Dieta | Eats seeds, aquatic plants, and invertebrates; dabbles and upends in shallow water; diet more invertebrate-heavy … | Seeds, acorns, grains, aquatic plants, insects, snails, and small fish. Forages by dabbling, walking, and … |
| Tamanho da postura | 4-9 | 7-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Coscoroba Swan
Freshwater lakes, marshes, lagoons, and flooded grasslands from southern Brazil through Uruguay, Chile, and Argentina to Tierra del Fuego. Partially migratory; moves northward in winter. Nests in reedy margins.
Mandarin Duck
Wooded lakes, rivers, and ponds surrounded by dense forest. Unlike most ducks, regularly perches in trees and nests in tree cavities.
Song & Call Comparison
Coscoroba Swan
A bugling, honking 'coscoroba' call — giving the species its onomatopoeic name. Loud and far-carrying. Less commonly heard than northern hemisphere swans.
Mandarin Duck
Male gives a low whistled 'hib' or 'weep'. Female utters a soft quacking 'kek'. Generally quiet and secretive. No loud territorial song; vocalizations subtle and brief.
Geographic Range & Migration
Coscoroba Swan
Breeds in western North American prairies and parklands; winters in California, the Southwest, and northern Mexico.
Mandarin Duck
Native to East Asia including eastern Russia, China, Japan, and Korea. Feral populations established in Britain and western Europe.
Estado de conservação
Coscoroba Swan
Mandarin Duck
How to Tell Them Apart
Coscoroba Swan
Entirely white plumage except black wingtips visible in flight. Bright red bill and red legs and feet. Red eye-ring. More goose-like than true swans. Juvenile has brownish wash. Sexes similar.
Mandarin Duck
Breeding males have an elaborate pattern of orange, green, white, and purple with distinctive orange sail feathers on the back. Females are grey-brown with a white eye-ring and stripe.
Small red bill in breeding males, pinkish in females
About These Birds
Coscoroba Swan
O cisne-coscoroba é um cisne incomum da América do Sul, o único membro do seu género. Ao contrário dos verdadeiros cisnes, não tem pescoço tão longo e assemelha-se mais a um ganso grande. Tem plumagem branca com pontas das asas pretas e bico e pernas vermelhas. Cria em zonas húmidas da Patagónia, Terra do Fogo e adjacentes e hiberna no norte da Argentina, Uruguai e sul do Brasil. O seu apelo sonoro é o nome 'cos-cor-o-ba' que lhe deu o …
Mandarin Duck
The mandarin duck is widely considered the most beautiful duck in the world. In East Asian culture, mandarin ducks symbolize love and fidelity because they form strong pair bonds. Unlike most ducks, mandarins nest in tree holes up to 9 meters above the ground, and day-old ducklings must leap to the ground.