Demoiselle Crane vs Búteo-de-cauda-vermelha
Anthropoides virgo comparado com Buteo jamaicensis
Side-by-Side Comparison
| Atributo | Demoiselle Crane | Búteo-de-cauda-vermelha |
|---|---|---|
| Nome científico | Anthropoides virgo | Buteo jamaicensis |
| Ordem | Gruiformes | Accipitriformes |
| Família | Gruidae | Accipitridae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | 90,0 cm (35.4 in) | 53,0 cm (20.9 in) |
| Envergadura | 175,0 cm (68.9 in) | 124,0 cm (48.8 in) |
| Peso | 2500,0 g (88.18 oz) | 1080,0 g (38.10 oz) |
| Dieta | Seeds, grasses, insects, snails, worms, and small vertebrates. Forages in grasslands and agricultural fields. | Small to medium mammals, especially voles, mice, and rabbits. Also takes birds, reptiles, and large … |
| Tamanho da postura | 2 | 2-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partilhados
Demoiselle Crane only
Nenhum
Búteo-de-cauda-vermelha only
Demoiselle Crane
Dry grasslands, savannas, and semi-desert. Nests on the ground in open country, often near water. Winters in agricultural fields.
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
Demoiselle Crane
A high-pitched, bugling 'karr-r-r' in flight. Also gives softer clucking and purring contact calls. Migrating flocks produce a continuous musical babbling audible from great distance.
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
Demoiselle Crane
Central Eurasia from the Black Sea to Mongolia and northeastern China. Winters in India and sub-Saharan Africa.
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
Demoiselle Crane
Búteo-de-cauda-vermelha
How to Tell Them Apart
Demoiselle Crane
Pale blue-grey body with a black head, neck, and breast plumes. White ear tufts extend behind the red eyes. Long black tertials drape over the tail.
Short, yellowish-olive bill, shorter than other cranes
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
About These Birds
Demoiselle Crane
The demoiselle crane is the smallest crane species but undertakes one of the most grueling migrations, crossing the Himalayas at altitudes over 8,000 meters to reach wintering grounds in India. Named for its elegant appearance by Marie Antoinette, it is the second most abundant crane species in the world.
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.