The Komodo dragon (Varanus komodoensis) is a large species of lizard found in the Indonesian islands of Komodo. A member of the monitor lizard family (Varanidae), it is the largest living species of lizard, growing to a maximum length of 3 metres (10 ft) in rare cases and weighing up to approximately 70 kilograms (150 lb)
As a result of their size, these lizards dominate the ecosystems in which they live. Komodo dragons hunt and ambush prey including invertebrates, birds, and mammals. It has been claimed that they have a venomous bite; there are two glands in the lower jaw which secrete several different toxic proteins, however, the biological significance of these is disputed. Their group behaviour in hunting is exceptional in the reptile world.