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) [XC14345]
by Adrian Eisen Rupp from PROCOSARA, PN San Rafael, Paraguay (flight call)
Purple-crowned Plovercrest (Stephanoxis loddigesii) [XC676339]
by Eduardo Patrial from Cimento Rio Branco, Rio Branco do Sul, Paran\u00e1, Brazil (flight call)
Subspecies
Considered by some authors to be a subspecies of Green-crowned Plovercrest (Stephanoxis lalandi).