How many types of curassens?

There are several types of curassows, which are large, Flightless Birds belonging to the family Cracidae. The most commonly recognized species include the Great Curassow, the Northern Curassow, and the Southern Curassow, among others. In total, there are about 15 species of curassows, each varying in size, appearance, and habitat, primarily found in Central and South America.