Barn Swallow vs Japanese White-eye
Hirundo rustica comparado com Zosterops japonicus
Side-by-Side Comparison
| Atributo | Barn Swallow | Japanese White-eye |
|---|---|---|
| Nome científico | Hirundo rustica | Zosterops japonicus |
| Ordem | Passeriformes | Passeriformes |
| Família | Hirundinidae | Zosteropidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | 19,0 cm (7.5 in) | 11,5 cm (4.5 in) |
| Envergadura | 33,0 cm (13.0 in) | 17,0 cm (6.7 in) |
| Peso | 19,0 g (0.67 oz) | 11,0 g (0.39 oz) |
| Dieta | Aerial insects caught in continuous agile flight, including flies, beetles, moths, and aphids. Drinks by … | Insects, nectar, and fruit. Active gleaner that flits through foliage and visits flowers. Important pollinator … |
| Tamanho da postura | 2-7 | 2-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partilhados
Nenhum
Barn Swallow only
Japanese White-eye only
Barn Swallow
Open farmland, meadows, and areas near water. Nests almost exclusively in human-made structures such as barns, bridges, and eaves.
Japanese White-eye
Broadleaf evergreen forests, gardens, parks, and suburban areas. Highly adaptable and common in East Asian gardens.
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.
Japanese White-eye
Sweet, high-pitched 'tsee-tsee-tsee' whistle and soft melodic warbling. Flocks produce a continuous tinkling chorus. Alarm is a sharper 'tset'. Song is gentle and rhythmic.
Geographic Range & Migration
Barn Swallow
Breeds across the Northern Hemisphere in North America, Europe, and Asia. Winters in South America, Africa, and South Asia.
Japanese White-eye
East Asia including Japan, China, Korea, Taiwan, Vietnam, and the Philippines. Introduced to Hawaii and other Pacific islands.
Estado de conservação
Barn Swallow
Japanese White-eye
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
Japanese White-eye
Olive-green upperparts with a bright white eye-ring. Yellow throat and undertail coverts. Greyish-white belly.
Thin, pointed, slightly decurved dark bill
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.
Japanese White-eye
O olho-branco-japonês é uma pequena ave verde-oliva com anel ocular branco característico, muito popular como canário de gaiola no Japão e amplamente distribuído na Ásia.