Subspecies
Considered by some authors to be a morph of Collared Trogon (Trogon collaris).
Considered by some authors to be a subspecies of Collared Trogon (Trogon collaris).
The following 3 subspecies are recognised:
underwoodi Bangs, 1908 - North-western Costa Rica. Considered by some authors to be a subspecies of Collared Trogon (Trogon collaris).
aurantiiventris Gould, 1856 - Humid montane forests of central Costa Rica to western Panama. Considered by some authors to be a subspecies of Collared Trogon (Trogon collaris).
flavidior Bangs, 1908 - Western Panama (extreme eastern Chiriquí on Cerro Flores).