Mauritius Duck vs Höckerschwan
Anas theodori verglichen mit Cygnus olor
Side-by-Side Comparison
| Merkmal | Mauritius Duck | Höckerschwan |
|---|---|---|
| Wissenschaftlicher Name | Anas theodori | Cygnus olor |
| Ordnung | Anseriformes | Anseriformes |
| Familie | Anatidae | Anatidae |
| Erhaltungsstatus | Extinct | Least Concern |
| Länge | — | 152,0 cm (59.8 in) |
| Flügelspannweite | — | 235,0 cm (92.5 in) |
| Gewicht | — | 11000,0 g (388.01 oz) |
| Ernährung | -- | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| Gelegegröße | -- | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Mauritius Duck
Historically restricted to the Mascarene Islands (Mauritius and Réunion) in the Indian Ocean. Now extinct. Presumably inhabited freshwater wetlands and coastal areas before human colonization.
Höckerschwan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
Mauritius Duck
Extinct (EX). No recordings exist. As a small island Anas duck, likely produced a quiet quacking call. Closest living relatives among insular Indian Ocean teals give soft, nasal notes.
Höckerschwan
Despite its name, not truly mute: gives hissing snorts and low grunting when threatened. Wings produce a loud rhythmic whistling throbbing sound in flight.
Geographic Range & Migration
Mauritius Duck
Höckerschwan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
Erhaltungsstatus
Mauritius Duck
Höckerschwan
How to Tell Them Apart
Mauritius Duck
Extinct Mascarene duck known only from subfossil bones. Plumage unrecorded; presumably brown dabbling duck plumage typical of Anas. Likely flightless or near-flightless; extirpated after European settlement of Mauritius.
Höckerschwan
All-white plumage in adults. Cygnets are grey-brown, gradually whitening over the first year. Graceful S-curved neck posture is distinctive.
Orange bill with a prominent black knob at the base, larger in males
About These Birds
Mauritius Duck
An extinct duck known from subfossil bones found on Mauritius and Réunion. Closely related to the Grey Teal. Went extinct after European settlement of the Mascarene Islands in the 17th century due to hunting and introduced predators.
Höckerschwan
Der Höckerschwan gehört zu den schwersten flugfähigen Vögeln; Männchen können bis zu 14 kg wiegen. Trotz seines englischen Namens („Mute Swan“, stummer Schwan) ist er keineswegs stumm und gibt zischende, grunzende und schnaubende Laute von sich. Höckerschwäne gehen lebenslange Paarbindungen ein, und ihre aggressive Verteidigung des Brutreviers ist bekannt.