Black-eared Warbler

Basileuterus melanotis

The Black-eared Warbler (*Basileuterus melanotis*) is a striking small passerine endemic to the montane cloud forests of Costa Rica and western Panama. Measuring approximately 12-13 cm (4.7-5.1 inches) in length and weighing around 10-13 grams, this vibrant warbler is instantly recognizable by its distinctive facial pattern. Its plumage features a bright olive-green back and wings, contrasting with a clean white belly and a yellow wash on the flanks. The head is adorned with a prominent black...

Habitat

This species primarily inhabits the understory and midstory of humid montane cloud forests, mature evergreen forests, and forest edges, typically at elevations between 1,000 and 2,500 meters (3,300-8,200 feet).

Diet

Primarily insectivorous, feeding on a wide variety of small insects and other arthropods, which they glean from foliage and bark or capture in short aerial sallies.

Behavior

Black-eared Warblers are diurnal and highly active, constantly moving through dense vegetation. They forage predominantly by gleaning insects and other small arthropods from leaves, twigs, and bark, often hovering briefly to snatch prey or darting after disturbed insects. They are generally found...

Range

The Black-eared Warbler is a non-migratory resident species found exclusively in the highlands of Costa Rica and western Panama. Its primary breeding and year-round range extends along the Cordillera de TilarĂ¡n, Cordillera Central, and Cordillera de Talamanca in Costa Rica, continuing into the hi...

Conservation Status

Least Concern

Fun Facts

- The Black-eared Warbler's scientific name, *Basileuterus melanotis*, literally translates to "king-runner with black ears," reflecting its active foraging style and prominent ear patches. - Despite its vibrant plumage, this warbler can be surprisingly challenging to spot due to its preference f...

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