They are a group of frogs of the family Bufonidae, and of the order Anura. They are relatives of the frogs, but have rougher skin and are larger. They are characterized by undergo metamorphosis throughout his life and in addition to changing their livelihoods. Reproduce by eggs, are usually born in the water as tadpoles and develop, in adulthood living on land, but close to the water. They are generally insectivorous. In Colombia we have other two uses for the word toads: the first refers to the bubas or pustules that out an infection on the lips and mouth. The other is the contemptuous way call cookies or people who simply have infidencias or distinctly familiar things and which should not care to others.
