Diglossa glauca
The Golden-eyed Flowerpiercer (*Diglossa glauca*) is a captivating small passerine, measuring about 12.5 to 14 cm in length and weighing roughly 10-15 grams. Its most striking feature, lending it its common name, is the piercing, bright golden-yellow iris that contrasts sharply with its otherwise subdued plumage. Adults exhibit glossy bluish-gray upperparts, including the head, back, and wings, fading to a paler, more grayish-white on the underparts, often with a hint of blue on the flanks. A...
This species primarily inhabits humid montane forests, cloud forests, and their edges, as well as adjacent scrub and clearings, typically at elevations ranging from 1,500 to 3,000 meters.
The primary diet consists of nectar, obtained by piercing flower bases, supplemented by small insects and other arthropods gleaned from foliage.
The Golden-eyed Flowerpiercer is a diurnal and highly active bird, constantly flitting through the understory and mid-canopy in search of sustenance. Its foraging strategy is highly specialized: it uses its unique hooked bill to pierce the base of flower corollas, extracting nectar without aiding...
The Golden-eyed Flowerpiercer is a resident species found exclusively within the humid montane and cloud forests of the Andes in South America. Its distribution stretches from the eastern slopes of the Andes in southern Colombia, southward through Ecuador and Peru, and extending into northern Bol...
Least Concern
- The "flowerpiercer" in its name comes from its unique foraging strategy: it uses its specialized hooked bill to pierce the base of flower corollas, allowing it to "rob" nectar without pollinating the plant. - Its dazzling golden-yellow eyes are a key identification feature and stand out strikin...