Oligodon, common name kukri snake, is a genus of snakes native to East and South Asia. Oligodons are egglayers and are usually under 90 centimeters (35 inches) in length; different species display widely variable patterns and colorations. They subsist mostly by scavenging the eggs of birds and reptiles. Besides eggs, species of this genus also feeds on lizards, frogs and small rodents. Oligodon is a rearfanged snake species. They have a set of fangs placed in the back of their mouth as well as a functional venomgland. They are not dangerous to humans though. Oligodons are mostly nocturnal, and live on the floors of mature forests.