Green Vine Snake Venom: Fangs at the Back of the Mouth The green vine snake (Ahaetulla nasuta) has venom-delivering fangs positioned toward the back of its upper jaw. Read more
Butterfly pupa transformation: What happens inside? Inside the pupa, some larval tissues break down while the adult butterfly gradually develops. Read more
Viper gecko: Distinctive tail and snake-like appearance The viper gecko’s scales, dorsal pattern, head shape and defensive movements all contribute to its snake-like appearance. Read more