Collared Trogon is a common trogon of humid lowland forests of Central and South America. This is a relatively small trogon. The males are bright green above, with a red belly; upperparts of females are brown. In both sexes the underside of the tail are barred black and white; this barring is particularly narrow in the northernmost subspecies, from Mexico south to Panama. These Central American birds also differ vocally from southern populations, and may represent a distinct species. Collared Trogon occupies a variety of forest types, including humid evergreen forests, open woodlands, plantations, cloud forests, and pine forests. Collared Trogon is resident in most of its range, but some populations in Central America may be altitudinal migrants.