Chestnut-tipped Toucanet (Aulacorhynchus derbianus) [XC542766]
by Jacob Wijpkema from Plataforma, San Martin, Peru (call)
Chestnut-tipped Toucanet (Aulacorhynchus derbianus) [XC161340]
by Niels Krabbe from ACP Amuicha Entza, Zamora, Zamora Chinchipe, Ecuador (song)
Subspecies
Forms a superspecies with Groove-billed Toucanet (Aulacorhynchus sulcatus). Also related, less closely, to Emerald Toucanet (Aulacorhynchus prasinus). Form described from central Peru as nigrirostris now lumped within nominate derbianus.
The following 4 subspecies are recognised:
derbianus Gould, 1835 - Extreme southern Colombia southern along eastern slope of Andes to central Bolivia (Cochabamba).
duidae Chapman, 1929 - Mountains of southern Venezuela in Amazonas and western Bolívar, and adjacent northern Brazil.
whitelianus (Salvin and Godman, 1882) - Mountains of southern Venezuela (south-eastern Bolívar) and northern Guyana.