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Birds · Passeriformes · Zosteropidae

Warbling White-eye

Zosterops japonicus

Least Concern

The species is abundant and widely distributed; it faces no significant short-term risk.

Spotted something wrong?

The warbling white-eye is a tiny olive-green bird with a strongly marked white ring around the eye that gives it its name. It is extremely abundant in Japan, Korea and China, where it visits flowers in search of nectar and insects. Introduced to Hawaii in the 1920s, it has become the most abundant land bird in the archipelago and a serious problem for the native birdlife.

Weight

9 g – 13 g

Size

10 cm – 12 cm

Life expectancy

9 years

Diet

Omnivore

Combines animal and plant food depending on availability.

Activity

Diurnal

Active mainly during the day.

Social structure

In pairs

Usually lives in pairs, sometimes for life.

RainforestTemperate forestIslands
10countries28parks

Fun facts

  • It is the most abundant land bird in Hawaii, where it was introduced in the 1920s and from where it has displaced several native species through competition and disease transmission.
  • The white-eyes are one of the fastest-diversifying groups of birds: they colonise islands and generate new species at such a rate that they are called the great speciator among birds.
  • Its tongue ends in a brush of filaments, an adaptation to nectar that it shares with honeyeaters and sunbirds without being related to them.

Life cycle and biology

Skeleton type
Vertebrate - internal bony skeleton (bird)
Habitat and environment
Woodland, scrub, orchards, parks and gardens of East Asia and of the islands where it has been introduced
Size at birth
Altricial: born blind, naked or with sparse down and entirely dependent
Sexual maturity
12 months
Gestation / incubation
11 days
Litter / clutch size
3.5 (average)

Sources consulted: Wikipedia (es): Zosterops japonicus

Where to find it

Best time: All year round in Japan, Korea and China, by day; in winter it forms flocks that work their way through flowering trees and feeders.

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The pins mark the parks where its presence is documented.

Where to see it

Parks and dive sites where this species has been documented — showing 10 of 28.

Related species

Other species in the catalogue with the most in common with Warbling White-eye — same habitat, park, country, tags or family.

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Keep exploring

Based on what we already know about warbling white-eye.

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See full glossary
This page in other languages: Español · Deutsch · Français · Português · Italiano
See its range on the interactive map→
Hawaii VolcanoesUnited States
Fuji-Hakone-IzuJapan
ShiretokoJapan
YakushimaJapan
HallasanSouth Korea
DaisetsuzanJapan
NikkoJapan
HaleakalaUnited States
Ogasawara IslandsJapan
DadohaehaesangSouth Korea
See all 28 parks
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Bombina orientalis

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Raccoon Dog

Nyctereutes procyonoides

Japanese MacaqueLeast Concern

Japanese Macaque

Macaca fuscata

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Horned Puffin

Fratercula corniculata

CountriesJapan
ParksHawaii VolcanoesUnited States
TagsOmnivore
Omnivore
Diurnal
In pairs
Bird
Rainforest
Temperate forest
Islands

Asia9

North America1

Japan
South Korea
United States
China
Laos
North Korea
China
Japan
Laos
North Korea
Philippines
Russia
South Korea
Taiwan
Vietnam
United States