The Keel-billed Toucan (Ramphastos sulfuratus) has a very colorful bill. It dwells from Tropical Mexico to N Colombia, NW Venezuela.
♂:47cm (18½”), 500g; ♀: 44cm (17”), 380g. Black and yellow bib. Mostly black, suffused with maroon on hindneck and upper back and with olive on lower back and belly; upper tail-coverts white; crissum red; lower face, sides and front of neck bright yellow, posteriorly bordered with red. Bill pale green to yellow-green, maroon tip, orange on side of upper mandible, greenish-blue along side and gonys of lower mandible, dusky bars along tomia, white line encircles base. Iris olive; facial skin bright yellow, becoming chartreuse around eye; legs light blue. Young: Sooty-black; lacking maroon suffusion above; paler red on border of bib and crissum less extensive, paler. Bill patter duller, less distinct; bill short for some time after fledging.