American Crow vs Superb Fairywren
Corvus brachyrhynchos 比較対象 Malurus cyaneus
Side-by-Side Comparison
| 属性 | American Crow | Superb Fairywren |
|---|---|---|
| 学名 | Corvus brachyrhynchos | Malurus cyaneus |
| 目 | Passeriformes | Passeriformes |
| 科 | Corvidae | Maluridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 45.0 cm (17.7 in) | 14.0 cm (5.5 in) |
| 翼開長 | 99.0 cm (39.0 in) | 16.0 cm (6.3 in) |
| 体重 | 450.0 g (15.87 oz) | 10.0 g (0.35 oz) |
| 食性 | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | Primarily insects and other small invertebrates gleaned from low vegetation. Also takes seeds and small … |
| 一腹卵数 | 3-7 | 2-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
American Crow
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
Superb Fairywren
Dense undergrowth in eucalyptus woodland, gardens, parks, and heath throughout southeastern Australia.
Song & Call Comparison
American Crow
Classic 'caw-caw-caw' repeated in series. Family groups use distinct dialects. Also gives rattling, knocking, and a short 'cah' flight call. Highly social and vocal.
Superb Fairywren
An extremely complex, melodic song: a long series of trills and warbles delivered rapidly. Males sing throughout the day. Alarm is a sharp 'tseet'. Among Australia's finest singers.
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Superb Fairywren
Southeastern Australia from Queensland through New South Wales, Victoria, to South Australia and Tasmania.
保全状況
American Crow
Superb Fairywren
How to Tell Them Apart
American Crow
All black with a slight glossy sheen. Squared-off tail and smooth throat distinguish it from the common raven.
Straight, sturdy black bill smaller than a raven's
Superb Fairywren
Breeding males have a brilliant violet-blue crown, ear coverts, and mantle with a black throat band. Non-breeding males and females are plain brown with a blue tail.
Fine, pointed, dark bill
About These Birds
American Crow
北米全域に広く分布する大型のカラス（体長40〜53cm）。全身光沢のある黒で、知性が高く強い社会性を持つ。Corvus brachyrhynchos（アメリカガラス）は北米で最もよく見られるカラスで、交通量の多い道路に堅い木の実を置いて車に割らせる「道具使用」が観察されている。Corvidae科。
Superb Fairywren
The superb fairywren is one of Australia's most beloved and recognizable birds, with breeding males dressed in spectacular violet-blue plumage. These tiny birds live in cooperative family groups where helpers assist the breeding pair in raising young. Males pluck and present yellow flower petals to females as part of courtship.