Bornean Bristlehead (Pityriasis gymnocephala)
22–26 cm; 115–150 g. Heavy-bodied passerine with massive hooked bill and short tail, giving top-heavy appearance, and long powerful wings. Male has unfeathered heads.
Calls frequently, with variety of snorts and whistles.
Forest. Often said to favour peatswamp-forest, but is probably most commonly associated with lowland and hill primary forests.
Major food items include katydids (Tettigoniidae), cicadas (Cicadoidea), stick-insects (Phasmida), beetles (Coleoptera), caterpillars etc..
More info/source: https://www.hbw.com/species/bornean-bristlehead-pityriasis-gymnocephala
Malay Partridge (Arborophila campbelli)
Other common names: Malaysian Partridge, Malaysian Hill-partridge, Campbell’s Hill-partridge
Taxonomy: Arboroicola campbelli borders of Perak and Penang, Malay Peninsula.
Until recently considered conspecific with A. rolli, A. sumatrana and A. orientalis (which see). Sometimes also considered conspecific with A. javanicaand A. brunneopectus, but morphological similarities normally attributed to convergent evolution. Monotypic.
Distribution: Mountains of Peninsular Malaysia.
More info/source: https://www.hbw.com/species/malay-partridge-arborophila-campbelli
Orange-backed Woodpecker (Chrysocolaptes validus)
Description: 30 cm; 155–185 g. Male has red forehead, crown and short crest bordered pale orange, orange-brown side of head, darker and browner towards rear; chin and malar area.
Voice: Various loud, ringing calls, e.g. “pit”, singly or in loose irregular series.
Habitat: Primary or secondary evergreen rainforest, coastal vegetation, mature plantations.
Scarlet-backed Flowerpecker (Dicaeum cruentatum)
Description: 7–9 cm; male 5·5–8 g, one female 6 g. Male nominate race has crown to back and rump deep red, side of head black, upperwing and tail glossy blue-black.
Voice: Call “chip-chip”, sometimes repeated; also a loud, staccato, clicking “tchik-tchik”..
Habitat: Variety of forest types, including mangroves, heath forest and alluvial forest, regenerating forest…
Red-crowned Barbet (Psilopogon rafflesii)
Description: 26 cm; 99–150 g. Large, chunky green barbet. Both sexes have red crown, red spot below eye, red mark on side of neck, black and yellow face, as well as blue throat..
Voice: Song starts with low “took” notes at 1 per second, leading to “tuk” notes.
Habitat: Inhabits primary forest, as well as old second-growth forest
More info/source: https://www.hbw.com/species/red-crowned-barbet-psilopogon-rafflesii
Blue-winged Pitta (Pitta moluccensis)
Description: 18–20 cm; 54–146 g. Adult has blackish head with broad buffy brown sides of crown and buffy supercilium; upperparts dark green, rump turquoise-blue, tail black.
Voice: Loud clear “taew-laew”, second note stressed, usually doubled as “taelaew-taelaew.
Habitat: Found in variety of habitats, from moist or dry primary forest with dense or sparse undergrowth.
Diet includes many kinds of insects etc.
More info/source: https://www.hbw.com/species/blue-winged-pitta-pitta-moluccensis
Black-backed (Oriental) Kingfisher (Ceyx erithaca)
Description: 12·5–14 cm; male 14–21·5 g, female 14–16 g. Both sexes of nominate race have black spot on forehead, blue and white patch on side of neck.
Voice: High-pitched “tsriet-tsriet” or soft “tjie-tjie-tjie” in flight.
Habitat: Deciduous and evergreen primary and secondary forest, alluvial forest, mangroves, overgrown rubber estates.
More info/source: https://www.hbw.com/species/oriental-dwarf-kingfisher-ceyx-erithaca
Red-throated Sunbird (Anthreptes rhodolaemus)
Description: 12 cm; male 11·2 g, female 11·6 g. Male has crown to mantle dark metallic green, maroon band across upper back, rest of back, rump and uppertail-coverts violet.
Voice: Various chirps and metallic trills; song a high “sit-sit-sit-see”.
Habitat: Various forest types, including peatswamp-forest, secondary growth, plantations, clearings and etc
More info/source: https://www.hbw.com/species/red-throated-sunbird-anthreptes-rhodolaemus
Oriental Dollarbird (Eurystomus orientalis)
Description: t27–32 cm; male 109–175 g and female 117–186 g (orientalis, pacificus, solomonensis), male 165–214 g and female 164–..
Voice: Typically rather silent. Commonest call is a repeated short, hoarse, rasping “rak” or “chak”.
Habitat: Mainly woodland, including canopy and margins of primary lowland rainforest, riparian wood, etc
Fluffy-backed Tit-babbler (Macronus ptilosus)
Description: 16·5–17 cm; 18–34 g. Dark rich brown babbler with chestnut crown and black throat; elongate plumes of lower back and rump usually unapparent.
Voice: Song a repeated, rather low, long, liquid “puh puh-puh-puh” or slower “wuh wu-hu”.
Habitat: Undergrowth of secondary and selectively logged forest, forest edge, dense secondary growth, growth etc