Japanese Bush Warbler (Horornis diphone) — identification, habitat & look-alikes

The Japanese Bush Warbler is a small Asian songbird with a grayish-brown body, a pale eyebrow, and a fairly long tail. Its loud, clear whistle often gives it away while it stays hidden in dense shrubs.

Appearance

Appearance: Look for a small grayish-brown bird with a pale eyebrow and a fairly long tail.
Voice: Its loud, clear whistle often gives away a bird hidden deep in leaves.

Look-alikes

Warbling White-eyeZosterops japonicus

A Warbling White-eye (Zosterops japonicus) has a bold white ring around each eye and a much brighter green back. The bush warbler is duller brown, with a pale stripe above the eye.

Why they get mixed upBoth small songbirds occur in Hawaiian forests.

Where it lives

Typical habitats: Hawaiian forest undergrowth
dense shrubs
Range: It is established across the main Hawaiian Islands. It was introduced on Oahu and later spread to the other main islands.
Seasonal presence: In Hawaii, it is an established resident.

Behavior

Diet: It searches low vegetation for insects and also eats some fruit.

Conservation

IUCN Red List: LCLeast ConcernLow risk of extinction

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