Half-collared Sparrow
NameHalf-collared Sparrow
Common NameHalf-collared Sparrow
Scientific NameArremon semitorquatus
FamilyPasserellidae
Wingspan (cm)21
Length (cm)15.5
Weight (g)28
Plumage DetailsThis species has a bright yellow conical bill. Its head is black with a prominent white supercilium extending from above the eye to the nape. A black malar stripe connects to a broad black band across the upper breast, forming a distinctive 'half-collar'. The throat and central breast are white, while the back and wings are olive-green, and the flanks and belly are grey. The tail is dark.
Vocalization / CallIts vocalization is typically a series of clear, whistled notes, often accelerating or descending, described as 'sweet-sweet-sweet-chew-chew-chew' or a rapid 'tsee-tsee-tsee-tsee-tsee-tsee'.
Primary Dietomnivore
Primary Habitatsforest
Conservation Statusleast-concern
Geographic RangeEndemic to the Atlantic Forest region of southeastern Brazil, ranging from Espírito Santo south to Santa Catarina.
Identifying FeaturesBright yellow bill, Black head with broad white supercilium, Black 'half-collar' across upper breast, Olive-green back, Grey flanks and belly
Description
The Half-collared Sparrow is a striking New World sparrow characterized by its bright yellow bill and distinctive head pattern. It typically forages on or near the ground in dense undergrowth, often in humid montane forests.
