Canvasback vs Mute Swan
Aythya valisineria 비교 대상 Cygnus olor
Side-by-Side Comparison
| 속성 | Canvasback | Mute Swan |
|---|---|---|
| 학명 | Aythya valisineria | Cygnus olor |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | 152.0 cm (59.8 in) |
| 날개 폭 | 44.7 cm (17.6 in) | 235.0 cm (92.5 in) |
| 체중 | 1223.25 g (43.15 oz) | 11000.0 g (388.01 oz) |
| 식성 | Eats molluscs, crustaceans, and aquatic invertebrates; dives in coastal and freshwater habitats; diet dominated by … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 산란 수 | 2-16 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Canvasback
Breeds on prairie potholes and boreal lakes across western North America. Winters on large open lakes, reservoirs, estuaries, and Chesapeake Bay. Sensitive to loss of prairie wetlands.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
Canvasback
Male produces a low, cooing purr; female gives a harsh, rolling quacking series. Males whisper-call in rolling, cooing notes during courtship; female's harsh quacking is emphatic on North American marshes.
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
Canvasback
Breeds in wooded wetlands of Canada and the northern United States; winters in the southern US and Central America.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
보전 상태
Canvasback
Mute Swan
How to Tell Them Apart
Canvasback
Males have rich chestnut-red head and neck; black breast; pale canvas-gray body; white flanks. Sloping forehead profile with dark red bill and red eye. Females gray-brown with reddish-brown head. Dimorphic …
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
Canvasback
독특한 경사진 이마와 긴 경사 부리를 가진 대형 잠수오리입니다. 수컷은 풍부한 밤색 빨간 머리, 검은 가슴, 연한 흰회색 몸통을 가지며 암컷은 회갈색입니다. 캔버스 같은 회색 등에서 이름을 따왔습니다. 수생 뿌리와 덩이줄기, 특히 야생 셀러리를 잠수하여 먹습니다.
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.