Chestnut-tipped Toucanet (Aulacorhynchus derbianus) [XC607911]
by GABRIEL LEITE from Samaipata (near Cuevas), Florida, Departamento de Santa Cruz, Bolivia (call)
Chestnut-tipped Toucanet (Aulacorhynchus derbianus) [XC250532]
by John V. Moore from Napo: km 11.6 Narupa-Loreto road, 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.