Pink-eared Duck vs Mute Swan
Malacorhynchus membranaceus 比較対象 Cygnus olor
Side-by-Side Comparison
| 属性 | Pink-eared Duck | Mute Swan |
|---|---|---|
| 学名 | Malacorhynchus membranaceus | 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 | 36.7 cm (14.4 in) | 235.0 cm (92.5 in) |
| 体重 | 366.25 g (12.92 oz) | 11000.0 g (388.01 oz) |
| 食性 | Highly specialized filter-feeder; spatulate bill strains algae and zooplankton from turbid Australian floodwaters; tracks inland … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 一腹卵数 | 6-8 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Pink-eared Duck
Ephemeral and permanent inland wetlands, flooded grasslands, and claypans across Australia. Highly nomadic, following unpredictable inland flooding. Most common in the Murray-Darling Basin in flood years.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
Pink-eared Duck
A soft, high-pitched rattling 'zarr-zarr' or reedy whistle. Considered a quiet duck. Calls while feeding in shallow Australian wetlands and flooded grasslands.
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
Pink-eared Duck
Breeds across Eurasia; winters across sub-Saharan Africa. One of the most widespread Palearctic–African long-distance migrants.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保全状況
Pink-eared Duck
Mute Swan
How to Tell Them Apart
Pink-eared Duck
Pale gray-brown body with bold dark brown barring on flanks. Brown-streaked crown; white face with brown eye-patch. Tiny pink ear-spot behind eye. Wide gray spatulate bill. Striped flanks diagnostic. Sexes …
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
Pink-eared Duck
オーストラリア固有のピンクイヤーダック。体長36〜40cm。白い顔の耳部に特徴的なピンク色の斑点がある。内陸の浅い湖や湿地に生息し、水中のプランクトンや植物を濾過して採食する。低危険種。
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.