Whooper Swan vs Mute Swan
Cygnus cygnus 比較対象 Cygnus olor
Side-by-Side Comparison
| 属性 | Whooper Swan | Mute Swan |
|---|---|---|
| 学名 | Cygnus cygnus | Cygnus olor |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | 152.0 cm (59.8 in) |
| 翼開長 | 116.4 cm (45.8 in) | 235.0 cm (92.5 in) |
| 体重 | 10350.0 g (365.09 oz) | 11000.0 g (388.01 oz) |
| 食性 | Dabbling duck feeding on seeds, aquatic insects, and plant material; forages in shallow wetlands; diet … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 一腹卵数 | 2-12 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Whooper Swan
Breeds on boreal and subarctic lakes and boggy pools from Iceland and Scandinavia across northern Eurasia to Siberia. Winters on large lakes, estuaries, rivers, and agricultural fields in northwestern Europe and eastern Asia.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
Whooper Swan
A loud, ringing 'wh-OOH-wh-OOH' bugle. Less high-pitched than Trumpeter; similar to Tundra Swan but deeper. Pairs call in musical antiphony. Carries very far over water.
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.
Geographic Range & Migration
Whooper Swan
Breeds in Arctic tundra from Siberia to western Canada; winters along the Pacific coast from British Columbia to Mexico.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保全状況
Whooper Swan
Mute Swan
How to Tell Them Apart
Whooper Swan
All-white plumage. Long yellow bill with large wedge-shaped yellow patch extending past nostrils, contrasting with black tip. Long flat head profile. Holds neck erect and straight. Juveniles pale gray-brown.
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
About These Birds
Whooper Swan
北ヨーロッパ・アジアで繁殖し、南方で越冬する大型のハクチョウ（体長140〜165cm）。純白の体と黄色が多い嘴が特徴。Cygnus cygnus（オオハクチョウ）は日本では北海道の阿寒湖、本州の猪苗代湖など各地の越冬地で見られ、ワシントン条約（CITES）とアフリカ・ユーラシア渡り性水鳥の保全に関する協定（AEWA）で保護されている。Anatidae科。
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.