兀鹫 vs 红尾鵟
Gyps fulvus 对比 Buteo jamaicensis
Side-by-Side Comparison
| 属性 | 兀鹫 | 红尾鵟 |
|---|---|---|
| 学名 | Gyps fulvus | Buteo jamaicensis |
| 目 | Accipitriformes | Accipitriformes |
| 科 | Accipitridae | Accipitridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 100.0 cm (39.4 in) | 53.0 cm (20.9 in) |
| 翼展 | 260.0 cm (102.4 in) | 124.0 cm (48.8 in) |
| 体重 | 8500.0 g (299.83 oz) | 1080.0 g (38.10 oz) |
| 食性 | Exclusively carrion, primarily large mammal carcasses. Feeds communally, with groups of vultures able to strip … | Small to medium mammals, especially voles, mice, and rabbits. Also takes birds, reptiles, and large … |
| 产卵数 | 1 | 2-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
兀鹫
Mountains, cliffs, and open grasslands. Nests on cliff ledges in colonies. Requires thermals for soaring flight.
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
兀鹫
Generally silent; hisses and grunts at carrion with other vultures. Gives low croaking 'arrr' near nest. At colonies produces cackling and grunting — not melodic vocalizations.
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
兀鹫
Southern Europe, North Africa, the Middle East, and Central Asia. Resident in most of its range.
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
兀鹫
红尾鵟
How to Tell Them Apart
兀鹫
Tawny-brown body with darker flight feathers. White neck ruff and bare greyish head. Long broad wings held flat when soaring.
Hooked yellowish bill adapted for tearing carrion
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
兀鹫
The griffon vulture is one of Europe's largest flying birds and a crucial scavenger in Mediterranean ecosystems. These social birds nest in large cliff colonies and can soar for hours using thermals without flapping. Vulture populations faced a crisis from the veterinary drug diclofenac, which proved fatal when consumed through contaminated carcasses.
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.