Cyornis ruficrissa
The Crocker Jungle Flycatcher (Cyornis ruficrissa) is a captivating resident of Borneo's montane forests, notable for its striking sexual dimorphism and vibrant coloration. Males are predominantly deep, glossy blue across their upperparts, head, and throat, contrasting sharply with a pure white belly. A distinguishing feature, and the origin of its specific epithet, is the bright rufous-orange crissum and flanks. Females present a more subdued yet elegant appearance, with brownish-olive upper...
Exclusively found in primary or mature secondary montane rainforests and high-altitude jungle, typically at elevations ranging from 1,000 to 2,800 meters.
Primarily insectivorous, feeding on a variety of small to medium-sized insects, caught in flight or gleaned from vegetation.
These flycatchers are generally solitary or observed in pairs, often joining mixed-species foraging flocks, especially outside the breeding season. They are diurnal insectivores, primarily foraging by sallying from low to mid-story perches to snatch insects in flight or from foliage, demonstratin...
The Crocker Jungle Flycatcher is endemic to the mountainous regions of northern Borneo, primarily found within the states of Sabah and Sarawak in Malaysian Borneo, as well as adjacent highland areas in Brunei and Kalimantan (Indonesian Borneo). Its stronghold is the Crocker Range, from which it d...
Least Concern
- The "ruficrissa" in its scientific name directly translates to "red crissum," highlighting its distinctive rufous undertail coverts. - It is one of several stunning blue-flycatcher species endemic to the island of Borneo. - Despite its vibrant coloration, its preference for dense undergrowth ca...