Eastern Paraguay and north-eastern Argentina (Misiones) to southern Brazil (southern São Paulo, Paraná, Santa Catarina, Rio Grande do Sul). Considered by some authors to be a subspecies of Green-crowned Plovercrest (Stephanoxis lalandi).
Purple-crowned Plovercrest (Stephanoxis loddigesii) [XC725136]
by Paul Smith from Estrada Ribeir\u00e3o do Tigre, Rio dos Cedros, Santa Catarina, Brazil (flight call)
Purple-crowned Plovercrest (Stephanoxis loddigesii) [XC18172]
by Jo\u00e3o Gava from Parque Estadual Intervales, SP, Brazil (, lekking)
Subspecies
Considered by some authors to be a subspecies of Green-crowned Plovercrest (Stephanoxis lalandi).