Cyanoderma bicolor
The Bicolored Babbler (*Cyanoderma bicolor*) is a charming and often-heard, though sometimes elusive, resident of Southeast Asian forests, highly prized by passionate birders for its distinctive vocalizations. Measuring approximately 13-14 cm in length, it is characterized by its striking bicolored plumage: a rich rufous-brown to dark brown or blackish crown and upperparts contrasting sharply with clean white or pale grey underparts. Key field marks include the dark cap, often a greyish face,...
This babbler primarily inhabits lowland and hill evergreen forests, secondary growth, bamboo thickets, and dense undergrowth, typically found from sea level up to elevations of about 1400 meters.
The Bicolored Babbler's diet primarily consists of insects and other small invertebrates, including beetles, caterpillars, and spiders, which they glean from foliage and bark in the forest understory.
Bicolored Babblers are highly social birds, typically found in pairs or small family parties, and frequently join larger, often noisy, mixed-species foraging flocks, particularly in the non-breeding season. They are active and restless foragers, spending much of their time gleaning insects and ot...
The Bicolored Babbler's range is restricted to Southeast Asia, primarily encompassing the Malay Peninsula, Sumatra, Borneo, and specific adjacent islands. On the Malay Peninsula, it is widespread from southern Myanmar (Tenasserim) and southern Thailand south through Peninsular Malaysia. In Indone...
Least Concern
- Despite their common name, some populations of Bicolored Babblers have a very dark, almost blackish, cap, making the 'bicolor' contrast even more dramatic against their pale underparts. - These babblers are renowned for their complex 'antiphonal duets,' where a pair sings alternating notes so s...