Common Starling vs Búteo-de-cauda-vermelha
Sturnus vulgaris comparado com Buteo jamaicensis
Side-by-Side Comparison
| Atributo | Common Starling | Búteo-de-cauda-vermelha |
|---|---|---|
| Nome científico | Sturnus vulgaris | Buteo jamaicensis |
| Ordem | Passeriformes | Accipitriformes |
| Família | Sturnidae | Accipitridae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | 21,5 cm (8.5 in) | 53,0 cm (20.9 in) |
| Envergadura | 37,0 cm (14.6 in) | 124,0 cm (48.8 in) |
| Peso | 78,0 g (2.75 oz) | 1080,0 g (38.10 oz) |
| Dieta | Omnivorous — insects and larvae (especially leatherjackets), earthworms, fruit, and seeds. Probes soil with open … | Small to medium mammals, especially voles, mice, and rabbits. Also takes birds, reptiles, and large … |
| Tamanho da postura | 4-7 | 2-4 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partilhados
Common Starling only
Nenhum
Common Starling
Open countryside, farmland, parks, and urban areas. Forms enormous communal roosts in winter, especially in urban environments.
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
Common Starling
A complex mimic: rattles, whistles, clicks, and squeaks mixed with imitations of other birds. Song is a continuous medley. Also gives harsh 'scheer' alarm and chattering.
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
Common Starling
Native to Europe, western Asia, and North Africa. Introduced to North America, South Africa, Australia, and New Zealand.
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
Common Starling
Búteo-de-cauda-vermelha
How to Tell Them Apart
Common Starling
Glossy black plumage with iridescent purple and green sheen in breeding season. Winter plumage shows white spotting. Short tail and pointed wings in flight.
Long, pointed bill — yellow in breeding season, dark in winter
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
Common Starling
Estorninho-malhado (Sturnus vulgaris) — 19-22 cm. Distribuído pela Europa e Ásia, introduzido na América do Norte, Austrália e África do Sul. Plumagem negra com reflexo metálico verde e roxo, com pontas brancas no inverno. Voo em bandos enormes (murmuração) é espetáculo notável. Excelente imitador. Omnívoro adaptável a ambientes urbanos e agrícolas.
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.