Thick-billed Euphonia

Overview

The thick-billed euphonia (Euphonia laniirostris) is a small bird in the finch and euphonia family Fringillidae. It has a disjunct distribution across Central and South America and is classified as Least Concern by the IUCN.

Identification

• Approximately 10 cm long and sexually dimorphic; males have glossy blue-black upperparts with a bright yellow forehead and underparts, while females are yellowish olive-green on top and greenish yellow below.
• Possesses one of the thicker bills among euphonias, which is blackish with a blue-gray base to the mandible.
• Features a dark brown iris and dark gray legs and feet.
• Vocal and a proficient mimic, producing a highly variable song described as a choppy series of call notes, whistles, and warbles.

Habitat

Found in a wide variety of somewhat open tropical and subtropical landscapes, including forest edges, clearings, gallery forests, and human habitations in Central America and northern South America. In western Ecuador and the Amazon Basin, it inhabits semi-open forest, várzea, terra firme, and secondary growth. Elevation range varies by region, reaching up to 2,400 m in Colombia and 1,900 m in Venezuela.

Diet

Primarily feeds on the fruits of mistletoe and other small fruits, supplemented by small numbers of insects. Forages mainly in pairs or small groups, often associating with mixed-species feeding flocks within the canopy or at forest edges.

Did you know?

The species is a notably good mimic of other birds' vocalisations, incorporating these imitations into its long, rambling series of original and mimicked notes.