Alternative name: Bornean Mountain Whistler
- Pachycephala hypoxantha
- Dull olive-yellow crown and upperparts
- Grey lores
- Bright yellow underparts, sarawacensis with very uniform yellow, nominate with olive wash
- Blackish tail
- Dark iris
- Black bill
Females have more olive throat and breast. Juveniles are almost entirely rufous-brown.
Endemic to Borneo.
Common in most of its range.
There are 2 subspecies:
- P. h. hypoxantha in north and central Borneo
- P. h. sarawacensis in the Poi Range of west Borneo
Forms a superspecies with Yellow-bellied Whistler and Sulphur-bellied Whistler.
Montane forest. Found at 900 - 2000m, locally on Mount Kinabalu up to 2600m.
Feeds on insects and sometimes seeds.
Small groups of this species are often seen busy feeding on small insects on trees. They also join bird-waves.
Fledglings have been seen in Juny and November. No other information about breeding.
- Clements, JF. 2008. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2008. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.
- Del Hoyo, J, A Elliott, and D Christie, eds. 2007. Handbook of the Birds of the World. Volume 12: Picathartes to Tits and Chickadees. Barcelona: Lynx Edicions. ISBN 978-8496553422
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