Chestnut-eared Aracari (Pteroglossus castanotis) [XC398633]
by JAYRSON ARAUJO DE OLIVEIRA from Km 2 (Bosque Encantado), RN Bosque Mbaracay\u00fa, Paraguay (alarm call)
Chestnut-eared Aracari (Pteroglossus castanotis) [XC482158]
by Jarrod Swackhamer from Cujubim, Rond\u00f4nia, Brazil (call)
Subspecies
Forms a superspecies with Black-necked Aracari (Pteroglossus aracari). Both belong to the Collared Aracari (Pteroglossus torquatus) group", which also includes Many-banded Aracari (Pteroglossus pluricinctus), Collared Aracari (Pteroglossus torquatus) and Fiery-billed Aracari (Pteroglossus frantzii), all being closely related. Contrary to some views, probably not closely related to Ivory-billed Aracari (Pteroglossus azara). Nominate intergrades with subspecies australis in southern and east of its range.
The following 2 subspecies are recognised:
castanotis Gould, 1834 - Southern and eastern Colombia and western Brazil (along northern bank of R Solimíµes-Amazon to lower R Negro), south to south-eastern Peru and, in Brazil, to Acre and southern Amazonas (extending east to R Madeira).
australis Cassin, 1867 - North-central Brazil south of Amazon, east to Parintins, and south to north-eastern and eastern Bolivia, eastern Paraguay, north-eastern Argentina (Misiones), and south-eastern Brazil (east to western Minas Gerais and western Sío Paulo, and Paraná to northern Rio Grande do Sul).