Stockente vs Falkland Steamerduck
Anas platyrhynchos verglichen mit Tachyeres brachypterus
Side-by-Side Comparison
| Merkmal | Stockente | Falkland Steamerduck |
|---|---|---|
| Wissenschaftlicher Name | Anas platyrhynchos | Tachyeres brachypterus |
| 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) | 49,0 cm (19.3 in) |
| Gewicht | 1100,0 g (38.80 oz) | 3799,0 g (134.01 oz) |
| Ernährung | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … | Eats seeds, sedge shoots, and aquatic invertebrates; dabbles in ponds and marshes; diet varies with … |
| Gelegegröße | 4-18 | 4-12 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Stockente
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
Falkland Steamerduck
Exclusive to rocky coasts, sheltered coves, kelp beds, and sea inlets of the Falkland Islands. Flightless; strictly coastal. One of the few bird species entirely endemic to the Falkland Islands.
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.
Falkland Steamerduck
Similar to Magellanic Steamerduck in call quality — harsh, rattling, mechanical. Falkland Island birds' vocalizations adapted for stormy, windswept coastal habitat.
Geographic Range & Migration
Stockente
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
Falkland Steamerduck
Breeds in subarctic boreal ponds of Alaska and Canada; winters coastally from Alaska to California and on the Gulf Coast.
Erhaltungsstatus
Stockente
Falkland 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
Falkland Steamerduck
Flightless; males gray with white supercilium and orange bill. Breast grayish-brown; flanks with brown mottling. Females brown with white eye-ring. Yellow-olive bill. Endemic to Falkland Islands.
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.
Falkland Steamerduck
A large flightless steamerduck endemic to the Falkland Islands, with grey body plumage, white belly, and orange-yellow bill. Males have a rust-orange head. Highly territorial and aggressive; pairs vigorously defend coastal territories. Feeds by diving in kelp beds and rocky coastal shallows.