American Crow vs Laughing Kookaburra
Corvus brachyrhynchos 比較対象 Dacelo novaeguineae
Side-by-Side Comparison
| 属性 | American Crow | Laughing Kookaburra |
|---|---|---|
| 学名 | Corvus brachyrhynchos | Dacelo novaeguineae |
| 目 | Passeriformes | Coraciiformes |
| 科 | Corvidae | Alcedinidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 45.0 cm (17.7 in) | 43.0 cm (16.9 in) |
| 翼開長 | 99.0 cm (39.0 in) | 65.0 cm (25.6 in) |
| 体重 | 450.0 g (15.87 oz) | 340.0 g (11.99 oz) |
| 食性 | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | Insects, lizards, snakes, small mammals, birds, and crustaceans. A sit-and-wait predator that swoops from a … |
| 一腹卵数 | 3-7 | 1-5 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
American Crow
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
Laughing Kookaburra
Eucalyptus forests, woodland, and suburban gardens throughout eastern and southwestern 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.
Laughing Kookaburra
The eponymous call: a loud, rollicking laughter 'koo-koo-koo-ka-ka-ka-ka', rising then falling. Family groups call together creating a cacophony. Iconic sound of the Australian bush.
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Laughing Kookaburra
Eastern Australia from Cape York to South Australia and Tasmania. Introduced to southwestern Australia, Tasmania, and New Zealand.
保全状況
American Crow
Laughing Kookaburra
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
Laughing Kookaburra
Brown upperparts with blue patches on the wings and rump. Creamy white head and underparts with a dark eye stripe. Dark brown tail with rufous barring.
Very large, heavy, dark upper mandible and pale lower mandible
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。
Laughing Kookaburra
The laughing kookaburra is the largest kingfisher in the world, famous for its raucous laughing call that has become an iconic sound of the Australian bush. Despite being a kingfisher, it rarely eats fish, preferring terrestrial prey. Family groups perform chorus calls at dawn and dusk to mark their territory.