Tricholestes criniger
The Hairy-backed Bulbul (Tricholestes criniger) is a distinctive yet often subtly observed passerine bird belonging to the Bulbul family (Pycnonotidae), renowned for the unique stiff, bristly feathers, often yellowish, that extend from its nape onto its back, giving it its common and scientific name (*criniger* meaning 'hair-bearing'). This small, active bulbul typically measures around 14-16 cm in length, sporting olive-green upperparts that provide excellent camouflage within its dense fore...
Primarily inhabits lowland and submontane rainforests, including primary and mature secondary forests, where it favors dense undergrowth, tangles, and vine-choked areas from sea level up to approximately 1,000 meters.
Primarily insectivorous, feeding on beetles, caterpillars, ants, and other arthropods, supplemented by small forest fruits and berries. It forages by gleaning from foliage and branches.
The Hairy-backed Bulbul is a diurnal and rather reclusive species, often detected by its calls rather than sight as it forages within the dense forest understory. Its foraging strategy is active gleaning, meticulously searching leaves, twigs, and small branches for insects and small fruits, often...
The Hairy-backed Bulbul is a resident species endemic to Southeast Asia, with its distribution spanning the Malay Peninsula, the large islands of Sumatra and Borneo, and several smaller adjacent islands. Its range includes Southern Thailand, Peninsular Malaysia, Singapore, Brunei Darussalam, and ...
Least Concern
- The 'hairy' appearance on its back is not actual hair but stiff, modified feathers, known as rictal bristles, unique among bulbuls. - Despite its bright yellow underparts, its skulking nature in dense undergrowth often makes it difficult to spot. - It is a frequent, though sometimes overlooked,...