American Crow vs Resplendent Quetzal
Corvus brachyrhynchos 比較対象 Pharomachrus mocinno
Side-by-Side Comparison
| 属性 | American Crow | Resplendent Quetzal |
|---|---|---|
| 学名 | Corvus brachyrhynchos | Pharomachrus mocinno |
| 目 | Passeriformes | Trogoniformes |
| 科 | Corvidae | Trogonidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | 45.0 cm (17.7 in) | 36.0 cm (14.2 in) |
| 翼開長 | 99.0 cm (39.0 in) | 50.0 cm (19.7 in) |
| 体重 | 450.0 g (15.87 oz) | 210.0 g (7.41 oz) |
| 食性 | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | Primarily wild avocados and other laurel family fruits, supplemented with insects, lizards, and frogs. A … |
| 一腹卵数 | 3-7 | 1-2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
American Crow
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
Resplendent Quetzal
Montane cloud forests at elevations between 1,200 and 3,000 meters. Requires old-growth forest with dead trees for nesting cavities.
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.
Resplendent Quetzal
Melodious, repetitive cooing: a series of 'kowee-kowee-kowee' or 'woh-woh-woh-woh' phrases. Male sings from high exposed perches in cloud forest canopy. Evocative highland call.
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Resplendent Quetzal
Southern Mexico through Central America to western Panama. Resident in mountain cloud forests.
保全状況
American Crow
Resplendent Quetzal
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
Resplendent Quetzal
Males have iridescent emerald-green upperparts, a crimson-red breast, and extraordinarily long green tail coverts streaming up to 65 cm beyond the tail. Females are duller with grey breasts.
Short, broad, bright yellow bill partially hidden by green feathers
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。
Resplendent Quetzal
The resplendent quetzal was considered divine by the Maya and Aztec civilizations, associated with the feathered serpent god Quetzalcoatl. Its iridescent green plumage and long tail streamers make it one of the most beautiful birds in the world. Guatemala's currency is named after this bird.