Overview
Lina’s Sunbird (Aethopyga linaraborae) is an exquisite montane passerine discovered in 1965 on the cloud-veiled heights of Mount Mayo in Mindanao, Philippines. Named in tribute to Lina Rabor, wife of famed Filipino ornithologist Dioscoro Rabor, this dazzling nectar feeder thrives among high-elevation mossy forests, where adult males flash a brilliant metallic green crown and blazing vermilion breast patch.
Biology and Physical Characteristics
Adult males of Aethopyga linaraborae exhibit an extraordinary palette of iridescent plumage: an emerald-green metallic crown and nape, dark olive-green upperparts, a glowing crimson chest patch, and bright sulfur-yellow lower underparts. Their decurved black bill is slender and sharply pointed, housing an extensible, tubular brush-tipped tongue adapted for sipping nectar from high-altitude montane flora. Females are more modestly attired in olive-green upperparts and pale yellowish underparts.
Behavior and Ecology
Active, restless, and acrobatic, Lina’s Sunbird darts energetically between flowering rhododendrons, pitcher plants, and epiphytic Ericaceae vines in the cool mountain mist. It frequently hovers momentarily before blossoms or clings sideways to slender twigs to extract nectar. In addition to nectarivory, it gleans small spiders and flying midges from moss cushions to nourish growing nestlings. Pairs construct pendulous pear-shaped nests of fine plant fibres and moss suspended from low branches.
Conservation and Human Impact
Classified as Vulnerable due to its naturally fragmented distribution across only three isolated mountain peaks in eastern Mindanao, Aethopyga linaraborae depends on intact mossy forests. While its high-altitude habitat is generally protected from large-scale commercial agriculture by extreme topography, mining exploration, artisanal gold panning, and illegal firewood collection pose localized risks. Habitat protection within Mount Hamiguitan World Heritage Park provides vital sanctuary.
Interesting Factoid
Lina’s Sunbird is so closely tied to the extreme peaks of Mindanao that it never descends below 3,000 feet, spending its entire life sipping nectar in windswept, mist-covered ‘elfin forests’ wrapped in hanging moss.
Last updated: October 2026