Japanese White-eye vs Mute Swan
Zosterops japonicus comparado com Cygnus olor
Side-by-Side Comparison
| Atributo | Japanese White-eye | Mute Swan |
|---|---|---|
| Nome científico | Zosterops japonicus | Cygnus olor |
| Ordem | Passeriformes | Anseriformes |
| Família | Zosteropidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | 11,5 cm (4.5 in) | 152,0 cm (59.8 in) |
| Envergadura | 17,0 cm (6.7 in) | 235,0 cm (92.5 in) |
| Peso | 11,0 g (0.39 oz) | 11000,0 g (388.01 oz) |
| Dieta | Insects, nectar, and fruit. Active gleaner that flits through foliage and visits flowers. Important pollinator … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| Tamanho da postura | 2-6 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Japanese White-eye
Broadleaf evergreen forests, gardens, parks, and suburban areas. Highly adaptable and common in East Asian gardens.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
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.
Mute Swan
Despite its name, not truly mute: gives hissing snorts and low grunting when threatened. Wings produce a loud rhythmic whistling throbbing sound in flight.
Geographic Range & Migration
Japanese White-eye
East Asia including Japan, China, Korea, Taiwan, Vietnam, and the Philippines. Introduced to Hawaii and other Pacific islands.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
Estado de conservação
Japanese White-eye
Mute Swan
How to Tell Them Apart
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
Mute Swan
All-white plumage in adults. Cygnets are grey-brown, gradually whitening over the first year. Graceful S-curved neck posture is distinctive.
Orange bill with a prominent black knob at the base, larger in males
About These Birds
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.
Mute Swan
The mute swan is one of the heaviest flying birds, with males weighing up to 14 kg. Despite its name, it is not truly mute, producing hissing, grunting, and snorting sounds. Mute swans form lifelong pair bonds and their aggressive defense of nesting territory is well known.