American Crow vs Keel-billed Toucan
Corvus brachyrhynchos 比較対象 Ramphastos sulfuratus
Side-by-Side Comparison
| 属性 | American Crow | Keel-billed Toucan |
|---|---|---|
| 学名 | Corvus brachyrhynchos | Ramphastos sulfuratus |
| 目 | Passeriformes | Piciformes |
| 科 | Corvidae | Ramphastidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 45.0 cm (17.7 in) | 50.0 cm (19.7 in) |
| 翼開長 | 99.0 cm (39.0 in) | 56.0 cm (22.0 in) |
| 体重 | 450.0 g (15.87 oz) | 400.0 g (14.11 oz) |
| 食性 | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | Primarily fruit, supplemented with insects, lizards, eggs, and nestlings. Uses its long bill to reach … |
| 一腹卵数 | 3-7 | 1-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
American Crow
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
Keel-billed Toucan
Tropical and subtropical lowland rainforests and forest edges from sea level to about 1,900 meters.
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.
Keel-billed Toucan
Produces a repeated frog-like croaking 'prrrek-prrrek' or 'terrio-terrio'. Not melodic; the call resembles a mechanical rattle or frog. Also gives bill-clattering.
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Keel-billed Toucan
Southern Mexico through Central America to northern Colombia and northwestern Venezuela.
保全状況
American Crow
Keel-billed Toucan
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
Keel-billed Toucan
Black body with a bright yellow throat and chest. Red undertail coverts. The enormous bill is green with orange sides, a blue patch, and a red tip.
Enormous, lightweight, multicolored bill up to 15 cm long — green, orange, blue, and red
Key Differences
- • Weight: Keel-billed Toucan (400g) vs American Crow (450g)
- • Length: Keel-billed Toucan (50 cm) vs American Crow (45 cm)
- • Wingspan: Keel-billed Toucan (56 cm) vs American Crow (99 cm)
- • Family: Keel-billed Toucan (Ramphastidae) vs American Crow (Corvidae)
- • Habitat: Keel-billed Toucan prefers Tropical and subtropical lowland rainforests and forest edge; American Crow prefers Extremely adaptable — found in farmland, open woodland, subu
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。
Keel-billed Toucan
The keel-billed toucan is the national bird of Belize and one of the most recognizable birds in the Neotropics. Its oversized bill, which can be a third of its body length, is actually very light due to its hollow honeycomb structure. Toucans roost communally, with up to six adults squeezing into a single tree cavity.