Dicaeum monticolum
The Black-sided Flowerpecker (Dicaeum monticolum) is a diminutive and vibrant passerine, a jewel of Borneo's montane forests, showcasing striking sexual dimorphism. Males are instantly recognizable with their glossy, iridescent black upperparts, a vivid scarlet throat and breast patch, contrasting pristine white underparts, and distinct black flank stripes that give the species its common name. Measuring a mere 9-10 cm in length and weighing around 7-10 grams, they possess a stout body, short...
This specialized flowerpecker primarily inhabits montane and submontane forests, typically found at elevations ranging from 900 to 3,000 meters above sea level.
Highly specialized, their diet predominantly consists of mistletoe berries, which they digest rapidly. They also consume other small fruits, nectar, and supplement their intake with small insects and spiders.
Black-sided Flowerpeckers are highly active, diurnal birds, constantly flitting through the canopy and subcanopy in search of food. Their foraging behavior is particularly adapted to their diet of mistletoe berries; they quickly pluck berries, swallow them whole, and rapidly excrete the sticky se...
The Black-sided Flowerpecker is endemic to the island of Borneo, where it is primarily found in the montane and submontane regions. Its distribution spans across the Malaysian states of Sabah and Sarawak, as well as the Indonesian provinces of Kalimantan and the small nation of Brunei, wherever s...
Least Concern
- The Black-sided Flowerpecker is a crucial 'seed disperser' for mistletoe plants, its rapid digestion and excretion of seeds directly aiding in the plant's propagation across the forest. - It has an incredibly fast metabolism, requiring it to feed almost constantly throughout the day to sustain ...