Gavião-real vs Búteo-de-cauda-vermelha
Harpia harpyja comparado com Buteo jamaicensis
Side-by-Side Comparison
| Atributo | Gavião-real | Búteo-de-cauda-vermelha |
|---|---|---|
| Nome científico | Harpia harpyja | Buteo jamaicensis |
| Ordem | Accipitriformes | Accipitriformes |
| Família | Accipitridae | Accipitridae |
| Estado de conservação | Vulnerable | Least Concern |
| Comprimento | 100,0 cm (39.4 in) | 53,0 cm (20.9 in) |
| Envergadura | 200,0 cm (78.7 in) | 124,0 cm (48.8 in) |
| Peso | 7500,0 g (264.55 oz) | 1080,0 g (38.10 oz) |
| Dieta | Arboreal mammals including sloths, monkeys, and opossums, which make up over 70% of the diet. … | Small to medium mammals, especially voles, mice, and rabbits. Also takes birds, reptiles, and large … |
| Tamanho da postura | 2-3 | 2-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partilhados
Gavião-real only
Nenhum
Búteo-de-cauda-vermelha only
Gavião-real
Tropical lowland rainforests, requiring large tracts of continuous forest with tall emergent trees for nesting.
Búteo-de-cauda-vermelha
Open country with scattered elevated perches such as trees, poles, and cliffs. Adaptable to farmland, grasslands, roadsides, and suburban areas.
Song & Call Comparison
Gavião-real
Rarely heard; emits mournful whistled screams 'wheee-oo' and low croaking grunts near the nest. Vocalizations poorly documented given its remote Amazonian habitat.
Búteo-de-cauda-vermelha
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
Gavião-real
Central and South America from southern Mexico through Brazil and northern Argentina. Range is shrinking due to deforestation.
Búteo-de-cauda-vermelha
North America from Alaska to Panama, including the Caribbean. One of the most common raptors in North America.
Estado de conservação
Gavião-real
Búteo-de-cauda-vermelha
How to Tell Them Apart
Gavião-real
Slate-black upperparts and head with a pale grey breast and white underparts with black barring. A distinctive split grey crest rises when the bird is alarmed.
Massive dark hooked bill, one of the largest of any eagle
Búteo-de-cauda-vermelha
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
Key Differences
- • Weight: Red-tailed Hawk (1080g) vs Harpy Eagle (7500g)
- • Length: Red-tailed Hawk (53 cm) vs Harpy Eagle (100 cm)
- • Wingspan: Red-tailed Hawk (124 cm) vs Harpy Eagle (200 cm)
- • Conservation: Red-tailed Hawk (Least Concern) vs Harpy Eagle (Vulnerable)
- • Habitat: Red-tailed Hawk prefers Open country with scattered elevated perches such as trees,; Harpy Eagle prefers Tropical lowland rainforests, requiring large tracts of cont
About These Birds
Gavião-real
The harpy eagle is among the most powerful raptors in the world, with talons as large as a grizzly bear's claws. It is the national bird of Panama. Deforestation poses the greatest threat to this species, as each breeding pair requires a vast territory of undisturbed forest.
Búteo-de-cauda-vermelha
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.