Belize, Bolivia, Brazil, Colombia, Costa Rica, Ecuador, El Salvador, French Guiana, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Panama, Peru, Suriname, Trinidad and Tobago, Venezuela.
Population
Estimated population is 5,000,000 - 50,000,000 (2010).
Collared Trogon (Trogon collaris) [XC423715]
by Jerome Fischer from Porto Velho, Rond\u00f4nia, Brazil (song)
Collared Trogon (Trogon collaris) [XC685676]
by Jacob Wijpkema from Bolpebra (near Centro), Nicolas Suarez, Departamento de Pando, Bolivia (song)
Subspecies
Possibly closest to Mountain Trogon (Trogon mexicanus), Elegant Trogon (Trogon elegans), Masked Trogon (Trogon personatus), Black-throated Trogon (Trogon rufus) and Blue-crowned Trogon (Trogon curucui). Orange-bellied birds from Costa Rica and western Panama, described as aurantiiventris, sometimes treated as a separate species, and assortative pairing has been reported; since an identical individual has been taken in southern Mexico (Oaxaca), however, this form is now considered to be no more than a morph of present species. Subspecies puella sometimes regarded as a distinct species. Validity of subspecies extimus questionable.
Proposed subspecies xalapensis (Jalapa) considered indistinguishable from puella; eytoni (Rio de Janeiro) apparently inseparable from castaneus. Considerable uncertainty also attends status of proposed subspecies underwoodi from north-western Costa Rica and flavidior from Panama (Cerro Flores).
The following 11 subspecies are recognised:
puella Gould, 1845 - Eastern Mexico southern along both slopes of Central America to central Panama (Veraguas).
extimus Griscom, 1929 - North-eastern Panama (eastern Darién).
heothinus Wetmore, 1967 - Eastern end of Serranía del Darién.
virginalis Cabanis & Heine, 1863 - Western Colombia and western Ecuador.
subtropicalis Zimmer, JT, 1948 - Subtropical zone of western Colombia in Magdalena and Cauca Valleys.
collaris Vieillot, 1817 - East of Andes (except northern Venezuela) south to northern Bolivia and west-central Brazil; Trinidad and Tobago.
castaneus von Spix, 1824 - Lower Amazon and patchily in eastern Brazil.
underwoodi Bangs, 1908 - North-western Costa Rica. Considered by some authors to be a subspecies of Orange-bellied Trogon (Trogon aurantiiventris).
aurantiiventris Gould, 1856 - Central Costa Rica, western Panama. Considered by some authors to be a distinct species, Orange-bellied Trogon (Trogon aurantiiventris).
BirdLife International Species Factsheet