Black-chested Sparrow
NameBlack-chested Sparrow
Common NameBlack-chested Sparrow
Scientific NameAimophila humeralis
FamilyPasserellidae
Wingspan (cm)20
Length (cm)14.5
Weight (g)18
Plumage DetailsAdults have a black head, throat, and upper chest, sharply delineated by a prominent white supercilium (stripe above the eye) and a white malar stripe (below the eye). The back and wings are rufous-brown with darker streaking, while the underparts are whitish, becoming buffy on the flanks. The bill is conical and dark.
Vocalization / CallIts song is a series of clear, sweet, and often plaintive whistled notes. Calls include sharp 'chip' notes used for alarm or contact.
Primary Dietomnivore
Primary Habitatsforest, grassland
Conservation Statusleast-concern
Geographic RangeEndemic to Mexico, found along the Pacific slope and interior highlands from Jalisco south through Michoacán, Guerrero, and Oaxaca.
Identifying FeaturesBlack head and chest, Prominent white supercilium and malar stripe, Rufous back and wings, Conical dark bill
Description
The Black-chested Sparrow is a small, striking sparrow known for its distinctive black head and chest plumage contrasted with a rufous back. It typically forages on or near the ground in dense, arid scrublands, often remaining hidden within vegetation.
