Diglossa caerulescens
Diglossa caerulescens, the Bluish Flowerpiercer, is a distinctive passerine bird belonging to the tanager family (Thraupidae), celebrated for its specialized feeding strategy. Measuring approximately 13 cm (5.1 inches) in length and weighing 13-17 grams, this species exhibits a uniform dull bluish-gray body plumage, strikingly contrasted by a prominent black facial mask that covers the lores and extends around the eye. Its most defining feature is a sharply upturned, black bill with a noticea...
Resides in humid montane evergreen forests, cloud forests, and forest edges, often in disturbed areas with dense shrubs and trees, typically between 1,500 and 3,000 meters elevation in the Andes.
Feeds predominantly on nectar, obtained by piercing the bases of flowers, supplemented by gleaning small insects from foliage and consuming small fruits or berries.
The Bluish Flowerpiercer is a diurnal species, active throughout the day foraging solitarily, in pairs, or frequently joining mixed-species flocks with other tanagers and insectivores. Its primary foraging technique involves using its uniquely hooked bill to pierce the base of flower corollas, ex...
The Bluish Flowerpiercer is a resident species distributed throughout the Andes mountain range of South America. Its breeding and year-round range extends from extreme western Venezuela (specifically in the states of Táchira, Mérida, Trujillo, and Lara) southward through the montane regions of Co...
Least Concern
- The genus name "Diglossa" means "two tongues" in Greek, referring to the specialized, grooved tongue used to draw nectar, although the bill's piercing ability is its most iconic trait. - This bird is considered a "nectar robber" because it accesses nectar by puncturing the flower base, often wi...