Barn Swallow vs águia-real
Hirundo rustica comparado com Aquila chrysaetos
Side-by-Side Comparison
| Atributo | Barn Swallow | águia-real |
|---|---|---|
| Nome científico | Hirundo rustica | Aquila chrysaetos |
| Ordem | Passeriformes | Accipitriformes |
| Família | Hirundinidae | Accipitridae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | 19,0 cm (7.5 in) | 81,0 cm (31.9 in) |
| Envergadura | 33,0 cm (13.0 in) | 212,0 cm (83.5 in) |
| Peso | 19,0 g (0.67 oz) | 4050,0 g (142.86 oz) |
| Dieta | Aerial insects caught in continuous agile flight, including flies, beetles, moths, and aphids. Drinks by … | Mammals including rabbits, hares, ground squirrels, and marmots. Also takes birds, reptiles, and carrion. Hunts … |
| Tamanho da postura | 2-7 | 1-3 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Barn Swallow
Open farmland, meadows, and areas near water. Nests almost exclusively in human-made structures such as barns, bridges, and eaves.
águia-real
Open and semi-open country including mountains, hills, and tundra. Prefers areas with cliffs or large trees for nesting and open terrain for hunting.
Song & Call Comparison
Barn Swallow
A rapid, twittering song: a long stream of 'vit-vit-vit' and rolling chirps. Also gives a sharp 'vit' flight call. Song can last many minutes without pause. Musical and liquid.
águia-real
Mostly silent; emits a thin, high-pitched whistle 'kee-kee-kee' near the eyrie. Also gives low barking 'yak-yak' and mewing calls. Far less vocal than its size suggests.
Geographic Range & Migration
Barn Swallow
Breeds across the Northern Hemisphere in North America, Europe, and Asia. Winters in South America, Africa, and South Asia.
águia-real
Holarctic distribution across North America, Europe, North Africa, and Asia. The most widely distributed eagle species.
Estado de conservação
Barn Swallow
águia-real
How to Tell Them Apart
Barn Swallow
Metallic blue-black upperparts, rufous forehead and throat, and pale buff to rufous underparts. Deeply forked tail with elongated outer streamers.
Short, wide, flat black bill adapted for catching insects in flight
águia-real
Dark brown overall with a golden-bronze sheen on the nape and crown. Juveniles show distinct white patches at the base of the tail and in the wings.
Dark horn-colored hooked bill with a yellow cere
About These Birds
Barn Swallow
The barn swallow is the most widespread swallow species in the world and has one of the longest migrations of any passerine. Its arrival signals spring across the Northern Hemisphere, inspiring cultural references from ancient Greece to modern poetry. Barn swallows have become almost entirely dependent on human structures for nesting.
águia-real
The golden eagle is one of the most powerful and agile raptors in the Northern Hemisphere. Revered by many cultures, it has been used in falconry for centuries, particularly by Kazakh eagle hunters of Central Asia. Golden eagles can dive at speeds exceeding 240 km/h when pursuing prey.