Habitat: This Toucan species can be commonly found in forests and forest borders in the lowlands and foothills. Distribution: This species has been reported from Honduras to western Ecuador. Natural History Notes: The Chestnut-mandibled Toucan will be often found along with the Keel-billed Toucan, high in trees. Its call is however pretty different, with a series of gull-like sounds "kee-yoo, tedick-tedick-tedick". Conservation status according to IUCN 2008 Red list: Least Concern (LC). It is a resident species. Characteristics: This species has a total length of 58 cm (measured from tip of bill to end of tail) with a bill length of up to 18 cm. The bill of this toucan is bicolored, with the upper mandible brilliant yellow and with the lower upper mandible and the base of the bill dark reddish chestnut colored. The bare skin area around the eye is green. The plumage is mostly black, with the facial area, the throat and the chest of brillant yellow coloration. There is a broad red line on the border of the yellow chest and the black underparts.