Höckerschwan vs Spur-winged Goose
Cygnus olor verglichen mit Plectropterus gambensis
Side-by-Side Comparison
| Merkmal | Höckerschwan | Spur-winged Goose |
|---|---|---|
| Wissenschaftlicher Name | Cygnus olor | Plectropterus gambensis |
| Ordnung | Anseriformes | Anseriformes |
| Familie | Anatidae | Anatidae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | 152,0 cm (59.8 in) | — |
| Flügelspannweite | 235,0 cm (92.5 in) | 104,5 cm (41.1 in) |
| Gewicht | 11000,0 g (388.01 oz) | 4475,0 g (157.85 oz) |
| Ernährung | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … | Eats seeds, invertebrates, and aquatic plants; dabbles in shallow water; omnivorous diet shifts with breeding … |
| Gelegegröße | 5-7 | 6-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Höckerschwan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
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
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.
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
Höckerschwan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
Spur-winged Goose
Breeds across Alaska and Canada in wetlands; winters along the Pacific coast from the Aleutians to Baja California.
Erhaltungsstatus
Höckerschwan
Spur-winged Goose
How to Tell Them Apart
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
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
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.
Spur-winged Goose
Africa's largest waterfowl, a massive goose-like bird with iridescent black-and-white plumage, a large red bill knob, bare red facial skin, and prominent bony wing spurs. Males can weigh up to 10 kg. Territorial; feeds on aquatic vegetation and agricultural crops across sub-Saharan Africa.