Stockente vs Magellanic Steamerduck
Anas platyrhynchos verglichen mit Tachyeres pteneres
Side-by-Side Comparison
| Merkmal | Stockente | Magellanic Steamerduck |
|---|---|---|
| Wissenschaftlicher Name | Anas platyrhynchos | Tachyeres pteneres |
| Ordnung | Anseriformes | Anseriformes |
| Familie | Anatidae | Anatidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | 58,0 cm (22.8 in) | — |
| Flügelspannweite | 90,0 cm (35.4 in) | 52,2 cm (20.6 in) |
| Gewicht | 1100,0 g (38.80 oz) | 4881,25 g (172.18 oz) |
| Ernährung | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … | Feeds on seeds, aquatic invertebrates, and plant matter; dabbles in wetlands; diet heavily invertebrate during … |
| Gelegegröße | 4-18 | 4-8 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Stockente
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
Magellanic Steamerduck
Rocky coastal shores, kelp-fringed channels, and sheltered bays of Patagonian Chile and Argentina. Flightless; confined to coastline. Nests on rocky shorelines. Uses wings to propel across water surface.
Song & Call Comparison
Stockente
Female gives the classic 'quack-quack-quack', descending in pitch. Male utters soft nasal 'raeb-raeb'. Both give a high 'gag-gag-gag' when alarmed or taking flight.
Magellanic Steamerduck
A loud, rattling, staccato 'kik-kik-kik' that sounds like a steam engine — hence 'steamerduck'. The wings also produce a loud churring sound as they beat the water surface.
Geographic Range & Migration
Stockente
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
Magellanic Steamerduck
Breeds in the Arctic and sub-Arctic; winters on the open Pacific Ocean from British Columbia to Baja California.
Erhaltungsstatus
Stockente
Magellanic Steamerduck
How to Tell Them Apart
Stockente
Breeding males have an iridescent green head, white neck ring, chestnut breast, and grey body. Females are mottled brown. Both sexes show a blue speculum bordered by white.
Broad, flat bill — yellow-green in males, orange-brown in females
Magellanic Steamerduck
Heavy, flightless. Males gray with white eye-stripe and orange-yellow bill. Breast and flanks mottled rufous-brown. Females more brown with white eye-ring and olive-yellow bill. Wings used for steaming.
About These Birds
Stockente
Die Stockente ist die Stammform der meisten Hausentenrassen und die häufigste und am weitesten verbreitete Schwimmente der Welt. Erpel zeigen aufwendige Balzrituale, darunter Kopfnicken und pfeifend-grunzende Rufe. Stockenten sind äußerst anpassungsfähig und gedeihen sowohl in der Wildnis als auch in städtischen Lebensräumen.
Magellanic Steamerduck
A large flightless steamerduck with grey-blue plumage, a rust-orange head (male), and massive orange-red bill. Named for its habit of steaming across water using wings and feet. Found on rocky Patagonian coasts and sheltered channels. Among the world's heaviest ducks at up to 6 kg.