
The black-browed babbler is a mysterious songbird species in the family Pellorneidae. It is endemic to Borneo. Only a single specimen, collected in the 19th century, is known.

The brown barbet is a species of bird in the family Megalaimidae. It is found in Borneo. Its natural habitat is subtropical or tropical moist lowland forests.

The golden-naped barbet is a member of the family Megalaimidae. It is found in Indonesia and Malaysia, where it is endemic to the island of Borneo. Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest.

The black-sided flowerpecker, also known as the Bornean flowerpecker, is a species of bird in the family Dicaeidae. It is found in Indonesia and Malaysia, where it is endemic to the island of Borneo. Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest.

The Bornean banded pitta is a species of bird in the family Pittidae. It is found only in Borneo. It was formerly considered conspecific with the Javan and Malayan banded pittas. Together, they were referenced as the banded pitta.

The Bornean barbet is a species of bird in the Megalaimidae family. It is found in Indonesia and Malaysia where it is endemic to the island of Borneo. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests.

The Bornean black magpie, also known as the black crested magpie, is a treepie in the family Corvidae. It is endemic to the Southeast Asian island of Borneo.

The Bornean bulbul is a member of the bulbul family of passerine birds. It is endemic to the island of Borneo.

The Bornean stubtail is a species of bird in the family Cettiidae. It is endemic to the island of Borneo. The population is suspected to be stable in the absence of evidence for any declines or substantial threats. The species is reported to be a common bird above 2,000 m.

The Bornean whistling thrush is a species of bird in the family Muscicapidae. It is found in Indonesia and Malaysia, where it is endemic to the island of Borneo. Its natural habitat is subtropical or tropical moist montane forests.

The Borneo thrush, also known as the mountain blackbird or locally in Dusun as Luhui tana, is a bird in the thrush family. It is a subspecies of the island thrush endemic to the island of Borneo.
The Bornean bristlehead, also variously known as the bristled shrike, bald-headed crow or the bald-headed wood-shrike, is the only member of the passerine family Pityriasidae and genus Pityriasis. It is an enigmatic and uncommon species of the rainforest canopy of the island of Borneo, to which it is endemic.

Hose's broadbill is a species of bird in the family Calyptomenidae. It was named after zoologist Charles Hose. It is endemic to highland forests in northern Borneo. It is threatened by habitat loss. It has a blue belly, but otherwise it resembles the other members of the genus Calyptomena.

Whitehead's broadbill is a species of bird in the family Calyptomenidae. It is restricted to montane forests in northern Borneo. It is the largest species in the genus Calyptomena and is named after the British explorer John Whitehead (1860–1899) who collected specimens and studied natural history in Borneo and elsewhere in southeast Asia.
The chestnut-hooded laughingthrush is a species of bird in the family Leiothrichidae. It is found in Borneo. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests. It used to be considered a subspecies of the chestnut-capped laughingthrush.
The Bornean ground cuckoo is a large terrestrial species of cuckoo in the family Cuculidae. It is, as suggested by its common name, endemic to the island of Borneo, being found in the sections belonging to Brunei, Malaysia and Indonesia. It is restricted to humid forest. It is threatened by habitat loss. It was formerly considered conspecific with the Sumatran ground cuckoo.

The Bornean blue flycatcher is a species of bird in the family Muscicapidae. It is found in Brunei, Indonesia, and Malaysia, where it is endemic to the island of Borneo. Its natural habitat is subtropical or tropical moist montane forests.

The eyebrowed jungle flycatcher is a species of bird in the Old World flycatcher family Muscicapidae. It is endemic to the island of Borneo. The natural habitat of the eyebrowed jungle flycatcher is subtropical or tropical moist montane forests. It builds an open, mossy cup nest, generally in epiphytes or spiny palms.

The Dulit frogmouth is a little-known species of bird in the frogmouth family, Podargidae, with a patchily recorded distribution in the mountain forests of northern and central Borneo to which it is endemic. The species is monotypic.

The fruithunter or fruit-hunter, also known as the black-breasted fruit-hunter, is an enigmatic species of bird currently placed with the typical thrushes in the family Turdidae. It is endemic to forests on the south-east Asian island of Borneo.

The bare-headed laughingthrush is a species of bird in the family Timaliidae. It is endemic to highland forests in northern Borneo. It was formerly considered a subspecies of the black laughingthrush.

The Bornean leafbird, also known as the Kinabalu leafbird, is a species of bird in the family Chloropseidae. It is found in humid forest in Borneo, to which it is endemic. It has traditionally been considered a subspecies of the blue-winged leafbird, but differ in measurements and morphology, the female Borneon leafbird having a distinctive male-like plumage. The distribution of the two are known to approach each other, but there is no evidence of intergradation.

The mountain blackeye is a species of bird in the family Zosteropidae. It is endemic to the island of Borneo.

The dusky munia is a species of estrildid finch which is endemic to Borneo. It is found in subtropical/ tropical lowland shrubland, forest and grassland habitat. The status of the species is evaluated as Least Concern.

The black oriole is a species of bird in the family Oriolidae. It is endemic to the island of Borneo. One of the least known of the orioles, its distribution range is restricted to Sarawak in Borneo. Along with the black-and-crimson, maroon, and silver orioles, it belongs to a clade of red and black orioles. The binomial name is after Charles Hose who collected the first specimen of the species on Mount Dulit.

The crimson-headed partridge is a species of bird in the family Phasianidae. It is endemic to the island of Borneo. Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest.

Hose's partridge, also known as Dulit partridge, has been considered a distinctive subspecies of the long-billed partridge, a bird in the Phasianidae, or pheasant, family. It is endemic to Borneo, where it appears to be separated altitudinally from the nominate subspecies, and is often considered now to be a full species, Rhizothera dulitensis. It is little-known, rare, and has not been recorded since 1937.

The red-breasted partridge, also known as the Bornean hill-partridge, is a species of bird in the family Phasianidae. It is endemic to hill and montane forest in Borneo, preferring bamboos and thickets. The International Union for Conservation of Nature (IUCN) has assessed it as a least-concern species.

The Bornean peacock-pheasant is a medium-sized pheasant. It is probably the rarest and certainly the least known of all peacock-pheasants. This elusive bird is endemic to lowland forests of Borneo.
Bulwer's pheasant, also known as Bulwer's wattled pheasant, the wattled pheasant or the white-tailed wattled pheasant, is a Southeast Asian bird in the family Phasianidae endemic to the forests of Borneo. It is currently listed as Vulnerable by the IUCN.

The black-crowned pitta, also known as the black-headed pitta, black-and-crimson pitta, black-and-scarlet pitta or black-crowned garnet pitta, is a brightly coloured, ground-dwelling, bird species in the pitta family. It is endemic to the Southeast Asian island of Borneo. It was described by John Gould in 1877, with the type locality recorded as the Lawas River in northern Sarawak.

The blue-banded pitta is a species of bird in the family Pittidae. It is found in Indonesia, Brunei and Malaysia where it is endemic to the island of Borneo. Its natural habitat is subtropical or tropical moist lowland forest.

The blue-headed pitta is a species of bird in the pitta family Pittidae. It is endemic to Borneo.

The pygmy white-eye, also known as the pygmy ibon, is a species of bird in the white-eye family Zosteropidae.

The white-crowned shama is a bird in the Old World flycatcher family. It is endemic to the Southeast Asian island of Borneo.

The spectacled flowerpecker is a species of bird belonging to the flowerpecker family, Dicaeidae. It was first observed in 2009 in the forests of Borneo, but due to limited information and the lack of a specimen for scientific study, it was not formally described or given a scientific name until 2019.

Everett's thrush is a species of bird in the family Turdidae. The name commemorates British colonial administrator and zoological collector Alfred Hart Everett.

The Bornean treepie is a passerine bird belonging to the treepies genus, Dendrocitta, of in the crow family, Corvidae. It is endemic to the island of Borneo. It is sometimes treated as a subspecies of the Sumatran treepie.

Whitehead's trogon is a species of bird in the family Trogonidae. It is endemic to the island of Borneo. Its natural habitat is subtropical or tropical moist montane forests. It is threatened by habitat loss. It is named after the British explorer John Whitehead (1860–1899) who collected natural history specimens in Borneo and elsewhere in Southeast Asia. Whitehead's trogon nest in cavities and their nesting habits can be viewed at this link. https://www.youtube.com/watch?v=oTbbZ6CDtDc

The friendly bush warbler, also known as the Kinabalu friendly warbler, is a species of Old World warbler in the family Locustellidae. It is endemic to the island of Borneo.

The Bornean whistler or Bornean mountain whistler, is a species of bird in the family Pachycephalidae. It is endemic to the island of Borneo.
The white-fronted falconet, Bornean falconet, fauconnet de Bornéo, falconete de Borneo, or halconcito de Borneo is a species of bird of prey in the family Falconidae. It is endemic to Sabah on the island of Borneo. Its natural habitats are subtropical or tropical moist lowland forest and arable land. It is threatened by habitat loss.

Whitehead's spiderhunter is a species of bird in the family Nectariniidae. It is endemic to the island of Borneo. Its natural habitats are subtropical or tropical moist Montane forests. It is named after the British explorer John Whitehead (1860-1899) who collected natural history specimens in Borneo and elsewhere in Southeast Asia.

The black-throated wren-babbler is a species of bird in the family Pellorneidae. It is endemic to the island of Borneo.

The Bornean wren-babbler is a species of bird in the family Pellorneidae. It is found in Brunei, Indonesia, and Malaysia, where it is endemic to the island of Borneo. Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical swampland. It is threatened by habitat loss.

The mountain wren-babbler is a species of bird in the family Pellorneidae. It is found in Iran Mountains of northeastern Borneo. Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest.

The yellow-rumped flowerpecker is a species of bird in the family Dicaeidae. It is found in Brunei, Indonesia, and Malaysia on the island of Borneo, to which it is endemic. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests.