Enicurus borneensis
The Bornean Forktail, *Enicurus borneensis*, is a striking member of the Old World flycatcher and chat family (Muscicapidae), uniquely adapted to the swift-flowing streams of Borneo. Measuring approximately 18-20 cm in length, including its prominent forked tail, this elegant passerine is immediately identifiable by its stark black and white plumage. Key field marks include a gleaming white crown and nape contrasting with a black back, wings adorned with a bold white wing-bar, and a white rum...
This specialized species inhabits the banks and beds of fast-flowing, clear-water streams and rivers within primary and secondary lowland to lower montane rainforests, typically found from sea level up to 1,700 meters.
Primarily insectivorous, the Bornean Forktail feeds on a variety of aquatic invertebrates, including larval forms of mayflies, caddisflies, and beetles, which it expertly gleans from rocks and water.
Bornean Forktails are typically solitary or encountered in pairs, actively foraging along rocky stream beds throughout the day. They exhibit a characteristic, almost ceaseless flicking motion of their long, forked tail, which may aid in startling prey or serve as a signal. Foraging involves darti...
The Bornean Forktail is endemic to the island of Borneo, where it is found throughout the Malaysian states of Sarawak and Sabah, the independent nation of Brunei, and the Indonesian provinces of Kalimantan. Its distribution covers both lowland and lower montane forest types, generally occurring f...
Least Concern
- The Bornean Forktail is renowned for its distinctive, constant tail-flicking motion, a behavior unique among many stream birds. - It was only recently elevated to full species status, having long been considered a subspecies of the Sunda Forktail. - Despite its striking black and white plumage,...