Leaf-nosed snakes are small burrowing snakes, belonging to the Serpentidae family, with a total of 4 species, each of which has a subspecies. Divided into leaf-nosed snakes and split-nosed snakes, the two species of leaf-nosed snakes are distributed in the desert jungles of the southwestern United States and Mexico. They come out at night to hunt lizards and insects. Two species of Schizophrenia are found in arid regions of northern Africa and southwestern Asia.

The leaf-nosed snake is characterized by a large, flattened scutellum with free edges. In addition, the leaf-nosed snake has a very attractive feature, that is, it has a strange horn that looks like a leaf, or a raised big nose. Hence the title of the strangest reptile in the world.