Red-crowned Crane vs 红尾鵟
Grus japonensis 对比 Buteo jamaicensis
Side-by-Side Comparison
| 属性 | Red-crowned Crane | 红尾鵟 |
|---|---|---|
| 学名 | Grus japonensis | Buteo jamaicensis |
| 目 | Gruiformes | Accipitriformes |
| 科 | Gruidae | Accipitridae |
| 保护状况 | Endangered | Least Concern |
| 体长 | 150.0 cm (59.1 in) | 53.0 cm (20.9 in) |
| 翼展 | 250.0 cm (98.4 in) | 124.0 cm (48.8 in) |
| 体重 | 8900.0 g (313.94 oz) | 1080.0 g (38.10 oz) |
| 食性 | Omnivorous — fish, amphibians, insects, grasses, and waste grain. Forages in wetlands and agricultural fields. | Small to medium mammals, especially voles, mice, and rabbits. Also takes birds, reptiles, and large … |
| 产卵数 | 2 | 2-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Red-crowned Crane
Freshwater marshes, bogs, and wet grasslands for breeding. Winters in coastal mudflats, estuaries, and rice paddies.
红尾鵟
Open country with scattered elevated perches such as trees, poles, and cliffs. Adaptable to farmland, grasslands, roadsides, and suburban areas.
Song & Call Comparison
Red-crowned Crane
Spectacular unison 'bugling' call: a clear, resonant, far-carrying trumpet 'kru-ru-ru' given by paired birds simultaneously. Among the most majestic bird calls in Asia.
红尾鵟
Iconic, raspy descending scream: 'kreeeeee-ar', often used in films for all raptors. Gives short barking 'kak' notes near nest. Juveniles beg with persistent squealing whistles.
Geographic Range & Migration
Red-crowned Crane
Eastern Asia — breeds in northeastern China, southeastern Russia, and Hokkaido, Japan. Winters in Korea and eastern China.
红尾鵟
North America from Alaska to Panama, including the Caribbean. One of the most common raptors in North America.
保护状况
Red-crowned Crane
红尾鵟
How to Tell Them Apart
Red-crowned Crane
White body plumage with black secondary flight feathers and throat. Bare red crown patch. Black face and neck. One of the most elegant crane species.
Long, straight, olive-green bill
红尾鵟
Variable plumage from pale to dark morphs. Most adults have rich brown upperparts, a pale breast with a dark belly band, and the characteristic rufous-red tail.
Dark hooked bill with a yellow cere
About These Birds
Red-crowned Crane
The red-crowned crane is one of the rarest crane species and a potent symbol of longevity and fidelity in East Asian culture. Their elaborate unison call and dancing displays have inspired art and folklore for millennia. The resident population on Hokkaido, Japan, recovered from about 33 birds in 1952 to over 1,800 today.
红尾鵟
The red-tailed hawk is the most widespread and common hawk in North America. Its screaming cry is so iconic that it is often dubbed over bald eagle footage in films and television. These adaptable raptors thrive in human-altered landscapes and are a familiar sight perched along highways.