Chestnut-capped Warbler
Chestnut-capped Warbler (<em>Basileuterus delattrii</em>) is a species of New World Warblers (<em>Parulidae</em>) in the order Perching Birds (Passerines).
Overview
Chestnut-capped Warbler (Basileuterus delattrii) is a species of New World Warblers (Parulidae) in the order Perching Birds (Passerines).
Scientific Classification
Genus: Basileuterus; binomial: Basileuterus delattrii; authority: Bonaparte, 1854.
Distribution
Breeding range: Middle America and South America.
Conservation Status
This taxon is listed as Extant (living) in the IOC World Bird List.
Remarks
Chestnut-capped Warbler B. delattrii, recognized in IOC 1.0, but prematurely lumped to align with AOU treatment. But vocally and ecologically distinct. Intergradation between B. r. salvini and B. (r.) delattrii reported by Monroe (1968) not documented and contested (Howell & Webb 1995; Navarro-Sigüenza comments; Demko et al. 2020). Re-split B. delattrii from B. rufifrons (Demko & Mennill 2019; Demko et al. 2020; NACC 2021-B-8, Chesser et al. 2021).

