Chestnut-mandibled Toucan (Ramphastos swainsonii) May 8, 2012May 8, 2012 Supertrooper Previous Next Chestnut-mandibled Toucan (Ramphastos swainsonii) perched on a branch in Costa Rica. Chestnut-mandibled Toucan (Ramphastos swainsonii) perched on a branch in Costa Rica.