Swinhoe's White-eye illustration
Birdsong field guide

Swinhoe's White-eye

Zosterops simplex

A small, olive-green passerine distinguished by its prominent white eye-ring, recently taxonomically split from the Warbling White-eye complex.

What it sounds like

High-pitched, metallic 'tsee' contact calls and a soft, rapid, liquid warbling song.

Reference call, compare with what you heard
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Rec. Joan Theng · SingaporeCC BY-NC-SAXeno-canto

Field notes

  • Formerly classified as a subspecies of Zosterops japonicus, it was elevated to species status based on distinct vocalizations and molecular phylogeny.
  • The characteristic white 'spectacles' are composed of tiny, specialized feathers rather than bare skin.
  • It is a highly gregarious species that often forms large, active foraging flocks outside of the breeding season.
  • As an opportunistic feeder, it plays a vital ecological role as both a seed disperser and a pollinator for various flowering plants.
  • The species is notably adaptable to anthropogenic changes, frequently inhabiting urban parks and dense residential gardens.
Habitat
Open woodlands, mangroves, secondary forests, and urban green spaces.
Range
Eastern China, Taiwan, and parts of northern Southeast Asia including Vietnam and Thailand.

Similar & commonly confused birds

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