The White-tailed Trogon lives in humid lowland forest and second growth. It eats fruit and insects caught in flight. The male's under-tail is white, and females differ in color and pattern.
Males have a bluish back and a mostly white underside of the tail. Females have greyish backs and breasts, with black-and-white barring on the tail feathers.
It uses humid lowland forest, second-growth woodland, and forest edges. It is seen low or midway in trees and eats fruit and insects caught in flight.
An extinction-risk assessment has not been added yet.