Anurans are animals belonging to the class Amphibians. The adults are basically tailless. The eggs are usually laid in the water and hatch into tadpoles. They breathe with their gills. After evolution, the adults mainly breathe with their lungs, but most skins also have some respiratory functions. It mainly includes two types of animals: frogs and toads. There is no strict distinction between these two types of animals, and some families include both species at the same time. According to adult