Chestnut-backed Bush-Warbler

Chestnut-backed Bush-Warbler

Locustella castanea

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered Endemic
Daily sighting probability Insufficient data
at Tangkoko Nature Reserve
10 Verified sightings at Tangkoko Nature Reserve From 2019 to 2026
10 Verified sightings across 1 park From 2019 to 2026
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Chestnut-backed Bush-Warbler

The Sulawesi bush warbler (Locustella castanea) is a species of Old World warbler in the family Locustellidae. It is endemic to the island of Sulawesi in Indonesia where it is found on the forest floor. There are two subspecies:

L. c. castanea (Büttikofer, 1893) - most of montane Sulawesi aside from the southwest L. c. everetti (Hartert, 1896) - southwestern montane Sulawesi The Sulawesi bush warbler is found in undisturbed primary montane forest and in secondary forest, as well as adjoining thick scrub, bushes and rank grassland. It has a preference for moss-covered rocks and tree trunks densely clad with vines. On Seram it frequents lower mountain slopes in Lithospermum and Castanopsis woodland with Shorea, Agathis and Dacrydium trees, ferns and mosses, and also dense patches of bamboo. One of the places where this bird can be found on Sulawesi is the Gunung Ambang Nature Reserve.

The Sulawesi bush warbler is a mostly ground-dwelling bird, skulking in the undergrowth and running on the forest floor in a manner reminiscent of a mouse. It often flicks its wings over its back and cocks its tail slightly. It sometimes sings perched on a low... Wikipedia →

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Daily sighting probability
1 Tangkoko Nature Reserve 🇮🇩 Indonesia
Insufficient data

More parks will be added in future updates.

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