American Crow vs Wilson's Bird-of-paradise
Corvus brachyrhynchos 比較対象 Cicinnurus respublica
Side-by-Side Comparison
| 属性 | American Crow | Wilson's Bird-of-paradise |
|---|---|---|
| 学名 | Corvus brachyrhynchos | Cicinnurus respublica |
| 目 | Passeriformes | Passeriformes |
| 科 | Corvidae | Paradisaeidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | 45.0 cm (17.7 in) | 16.0 cm (6.3 in) |
| 翼開長 | 99.0 cm (39.0 in) | 19.0 cm (7.5 in) |
| 体重 | 450.0 g (15.87 oz) | 55.0 g (1.94 oz) |
| 食性 | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | Fruit and insects gleaned from the forest canopy and subcanopy. Particularly favors figs. |
| 一腹卵数 | 3-7 | -- |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
American Crow
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
Wilson's Bird-of-paradise
Lowland and hill forests on the small islands of Waigeo and Batanta in the Raja Ampat archipelago, Indonesia.
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.
Wilson's Bird-of-paradise
Male gives a harsh, nasal 'waah' or 'eeah' from display perch. Song is poorly documented in wild. Also produces mechanical rattling wing sounds during display flights.
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Wilson's Bird-of-paradise
Endemic to the islands of Waigeo and Batanta off the northwestern tip of New Guinea, Indonesia.
保全状況
American Crow
Wilson's Bird-of-paradise
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
Wilson's Bird-of-paradise
Males have a brilliant red back, yellow nape, turquoise blue bare crown, and green breast shield. Violet-blue curled tail wires. Females are brownish with bare blue crown.
Short, slightly curved greyish 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。
Wilson's Bird-of-paradise
Wilson's bird-of-paradise is one of the most extraordinarily colored birds on Earth. Males meticulously clear a patch of forest floor as a display court, removing every leaf and twig. The species was virtually unknown to science until the late 20th century due to its restricted island range.