American Crow vs Japanese White-eye
Corvus brachyrhynchos comparado com Zosterops japonicus
Side-by-Side Comparison
| Atributo | American Crow | Japanese White-eye |
|---|---|---|
| Nome científico | Corvus brachyrhynchos | Zosterops japonicus |
| Ordem | Passeriformes | Passeriformes |
| Família | Corvidae | Zosteropidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | 45,0 cm (17.7 in) | 11,5 cm (4.5 in) |
| Envergadura | 99,0 cm (39.0 in) | 17,0 cm (6.7 in) |
| Peso | 450,0 g (15.87 oz) | 11,0 g (0.39 oz) |
| Dieta | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | Insects, nectar, and fruit. Active gleaner that flits through foliage and visits flowers. Important pollinator … |
| Tamanho da postura | 3-7 | 2-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Habitats partilhados
American Crow only
Japanese White-eye only
Nenhum
American Crow
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
Japanese White-eye
Broadleaf evergreen forests, gardens, parks, and suburban areas. Highly adaptable and common in East Asian gardens.
Song & Call Comparison
American Crow
Classic 'caw-caw-caw' repeated in series. Family groups use distinct dialects. Also gives rattling, knocking, and a short 'cah' flight call. Highly social and vocal.
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
American Crow
North America from southern Canada through the United States to northern Mexico.
Japanese White-eye
East Asia including Japan, China, Korea, Taiwan, Vietnam, and the Philippines. Introduced to Hawaii and other Pacific islands.
Estado de conservação
American Crow
Japanese White-eye
How to Tell Them Apart
American Crow
All black with a slight glossy sheen. Squared-off tail and smooth throat distinguish it from the common raven.
Straight, sturdy black bill smaller than a raven's
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
American Crow
O Corvo-americano (Corvus brachyrhynchos) é um dos corvos mais reconhecíveis e inteligentes da América do Norte, pertencente à família Corvidae. Amplamente distribuído por toda a América do Norte, habita uma grande variedade de habitats, incluindo florestas, campos agrícolas, subúrbios e centros urbanos. Mede aproximadamente 40-53 cm e pesa entre 300-600 g. A plumagem é completamente preta com reflexos iridescentes. Onívoro altamente adaptável, alimenta-se de insetos, frutos, carrion, lixo e praticamente qualquer material comestível disponível. Exibe comportamento social complexo, incluindo vida …
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.