The collared trogon (Trogon collaris) is a species of bird in family Trogonidae, the quetzals and trogons. It is found in Mexico, throughout Central America, and in northern South America.
Taxonomy and systematics
The International Ornithological Committee (IOC) and the Clements taxonomy recognize these 10 subspecies of collared trogon. They treated T. c. aurantiiventris ("orange-bellied trogon") as a separate species until the late 2010s.
- T. c. puella <small>Gould (1846)</small>
- T. c. underwoodi <small>Bangs (1908)</small>
- T. c. aurantiiventris <small>Gould (1846)</small>
- T. c. extimus <small>Griscom (1929)</small>
- T. c. heothinus <small>Wetmore (1967)</small>
- T. c. virginalis <small>Cabanis & Heine (1863)</small>
- T. c. subtropicalis <small>Zimmer (1948)</small>
- T. c. exoptatus <small>Cabanis & Heine (1863)</small>
- T. c. collaris <small>Vieillot (1817)</small>
- T. c. castaneus <small>Spix (1824)</small>
BirdLife International's Handbook of the Birds of the World (HBW) recognizes eight subspecies, excluding T. c. aurantiiventris and T. c. underwoodi.
Description
Trogons have distinctive male and female plumages, with soft, often colorful, feathers. The collared trogon is about long and weigh about . Both sexes have a black face and throat. The male's crown, nape, back, and rump are bright metallic green. The folded wing shows black and white vermiculation. The breast is also metallic green with a white band separating it from the bright red belly and vent. The upperside of the tail is green with a black tip and the underside is barred black and white. The female is olive brown where the male is green, the closed wing is brown with black vermiculation, and the belly is a duller red than the male's. The underside of the tail is gray with a few black bars and white tips.
Distribution and habitat
The 10 subspecies of collared trogon are found thus: and invertebrates such as caterpillars, crickets, cicadas, beetles, and phasmids.