Mute Swan vs White-headed Duck
Cygnus olor से तुलना Oxyura leucocephala
Side-by-Side Comparison
| विशेषता | Mute Swan | White-headed Duck |
|---|---|---|
| वैज्ञानिक नाम | Cygnus olor | Oxyura leucocephala |
| गण | Anseriformes | Anseriformes |
| कुल | Anatidae | Anatidae |
| संरक्षण स्थिति | Least Concern | Endangered |
| लंबाई | 152.0 cm (59.8 in) | — |
| पंखों का फैलाव | 235.0 cm (92.5 in) | 29.7 cm (11.7 in) |
| वजन | 11000.0 g (388.01 oz) | 705.0 g (24.87 oz) |
| आहार | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … | Dives for aquatic invertebrates, seeds, and plant roots in Mediterranean and Central Asian wetlands. Critically … |
| अंडों की संख्या | 5-7 | 3-10 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
Mute Swan
Despite its name, not truly mute: gives hissing snorts and low grunting when threatened. Wings produce a loud rhythmic whistling throbbing sound in flight.
White-headed Duck
Male produces a mechanical, rapid bill-drumming; female gives a harsh, grating quack. The drumming staccato display is the same pattern as other Oxyura stiff-tails; heard on Eurasian steppe lakes.
Geographic Range & Migration
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
White-headed Duck
Breeds in Spain, Turkey, central Asia, and Mongolia. Winters in the Mediterranean, the Middle East, and northern India. Globally endangered.
संरक्षण स्थिति
Mute Swan
White-headed Duck
How to Tell Them Apart
Mute Swan
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
White-headed Duck
Male has entirely white head with small black crown patch, rich chestnut-brown body, and large bulbous powder-blue bill. Female is brown with pale whitish face divided by dark streak across …
About These Birds
Mute Swan
The mute swan is one of the heaviest flying birds, with males weighing up to 14 kg. Despite its name, it is not truly mute, producing hissing, grunting, and snorting sounds. Mute swans form lifelong pair bonds and their aggressive defense of nesting territory is well known.
White-headed Duck
A stiff-tailed duck (~705 g) of family Anatidae, males with a distinctive white head and swollen blue bill. Breeds on brackish and freshwater lakes in Spain and Central Asia; winters in Mediterranean and Central Asian wetlands. Dives for aquatic vegetation and invertebrates. Endangered due to hunting, hybridization with introduced Ruddy Duck, and wetland loss.