Bismarck White-eye

Zosterops hypoxanthus

The Bismarck White-eye (*Zosterops hypoxanthus*) is a vibrant, small passerine, a true jewel of the Bismarck Archipelago. Measuring around 11-12 cm in length and weighing 10-15 grams, it exhibits a striking plumage of bright yellow underparts, olive-green upperparts, and the genus's characteristic, prominent white eye-ring, which gives the group its common name. Its short, pointed bill is adapted for nectar feeding and insect foraging. This species is endemic to the islands of New Britain, Ne...

Habitat

Primarily found in a variety of forested habitats, including primary and secondary growth, forest edges, coastal scrub, and often thrives in disturbed areas like plantations, gardens, and urban parks, from sea level up to 1,500 meters.

Diet

Omnivorous, feeding primarily on small insects, spiders, nectar from a variety of flowering plants, and small fruits or berries. Forages by gleaning foliage and probing flowers with a brush-tipped tongue.

Behavior

Bismarck White-eyes are highly active, diurnal birds, frequently observed foraging through the canopy and sub-canopy. They are often seen singly or in pairs, but commonly form larger, often noisy, mixed-species flocks outside the breeding season, moving rapidly through vegetation. Foraging involv...

Range

The Bismarck White-eye is strictly endemic to the Bismarck Archipelago, an island group located northeast of New Guinea in the southwestern Pacific Ocean. Its distribution includes the larger islands of New Britain, New Ireland, and New Hanover (also known as Lavongai), as well as numerous smalle...

Conservation Status

Least Concern

Fun Facts

- The Bismarck White-eye is a true island specialist, found nowhere else in the world, making it a unique gem of the Bismarck Archipelago. - Like many white-eyes, it possesses a specialized brush-tipped tongue, perfectly adapted for extracting nectar from flowers. - Despite its restricted range, ...

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