Basileuterus delattrii
The Chestnut-capped Warbler (*Basileuterus delattrii*) is a vibrant and active New World warbler, immediately recognizable by its striking chestnut crown, bordered by prominent black lateral stripes, which contrast beautifully with a bright yellow supercilium and olive-green upperparts. Measuring approximately 12-13 cm (4.7-5.1 inches) in length and weighing around 10-12 grams, its underparts are a uniform sunny yellow, making it a distinctive sight in its Central and South American range. A ...
This species favors humid to semi-humid broadleaf forests, forest edges, secondary growth, and shade coffee plantations, typically found at elevations ranging from 300 to 1800 meters.
Their diet consists almost exclusively of insects and other small invertebrates, such as caterpillars, beetles, and spiders, which they glean meticulously from foliage and bark.
Chestnut-capped Warblers are generally restless and active birds, constantly moving through the understory and mid-story foliage throughout the day. They employ a foraging strategy of gleaning insects from leaves and small branches, often hovering briefly to snatch prey. These warblers are territ...
The Chestnut-capped Warbler boasts a significant, though somewhat disjunct, distribution across Central and northwestern South America. Its primary range includes the Pacific slope and central highlands of Costa Rica, extending north into Nicaragua, and south through Panama. Southward, isolated p...
Least Concern
- The Chestnut-capped Warbler's scientific name, *delattrii*, honors Pierre Adolphe Delattre, a French ornithologist and naturalist. - Despite "warbler" in its name, it's not closely related to the Old World warblers (Sylviidae) but is a member of the New World warbler family (Parulidae). - It is...