Razor-billed Curassow is a large cracid, and is one of the most widely distributed species of curassow. They occur across much of Amazonia, from Colombia south to Bolivia, and east across Brazil, primarily south of the Amazon River. They lay two eggs per year, and the female incubates them alone. The young are born with full feathers and are mobile right after they hatch. They eat a wide range of foods including seeds, fruit, nuts, worms and insects. An increase in the human population is the main threat to this species.