Black Swan vs European Robin
Cygnus atratus 对比 Erithacus rubecula
Side-by-Side Comparison
| 属性 | Black Swan | European Robin |
|---|---|---|
| 学名 | Cygnus atratus | Erithacus rubecula |
| 目 | Anseriformes | Passeriformes |
| 科 | Anatidae | Muscicapidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 130.0 cm (51.2 in) | 14.0 cm (5.5 in) |
| 翼展 | 190.0 cm (74.8 in) | 21.0 cm (8.3 in) |
| 体重 | 6200.0 g (218.70 oz) | 18.0 g (0.63 oz) |
| 食性 | Aquatic vegetation and algae, supplemented with grain and pasture grasses. Feeds by upending in shallow … | Insects, worms, and berries. Often follows gardeners and large animals to catch invertebrates disturbed from … |
| 产卵数 | 4-6 | 4-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Black Swan
Lakes, rivers, swamps, and coastal waters across Australia. Also found in ornamental lakes in parks.
European Robin
Woodlands, hedgerows, parks, and gardens across Europe. Remarkably tame around humans, especially in Britain.
Song & Call Comparison
Black Swan
Gives a musical bugling 'boo-boo-boo' in flight and softer honking on water. Less vocal than Mute Swan; produces a baying call when alarmed. Wings whistle softly in flight.
European Robin
Exquisite, melancholic melody of thin whistled phrases, rising and falling softly. Rich, warbling song year-round; both sexes sing. Alarm call is a sharp 'tic-tic-tic'.
Geographic Range & Migration
Black Swan
Australia, primarily in the southeast and southwest. Introduced populations in New Zealand, Japan, and western Europe.
European Robin
Europe, western Asia, and parts of North Africa. Northern populations migrate south in winter; western European populations are largely resident.
保护状况
Black Swan
European Robin
How to Tell Them Apart
Black Swan
Almost entirely black with white flight feathers visible in flight. Red bill with a white band near the tip. Dark red to reddish-brown iris.
Bright red bill with a pale tip and prominent white band
European Robin
Olive-brown upperparts with a warm orange-red breast and face bordered by grey. White belly and undertail coverts.
Thin, pointed dark brown bill
About These Birds
Black Swan
The black swan was once considered impossible by Europeans who believed all swans were white, making it a famous philosophical example of inductive reasoning failure. It is the state emblem of Western Australia. Black swans form lifelong pair bonds and both parents share in incubation and care of cygnets.
European Robin
英国的非官方国鸟。尽管外表亲切，却极具领地意识。全年鸣唱。