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The perentie is the largest lizard Australia, and also one of the biggest lizards in the world. The perentie (Varanus giganteus) is by average length and weight the largest extant lizard native to Australia and fifth or fourth-biggest lizard in the world after Komodo dragon, Asian water monitor, crocodile monitor and competes with Nile monitor. [1]
Perenties are the largest living species of lizard in Australia. Perenties can grow to lengths of 2.5 m (8 ft 2 in) and weigh up to 20 kg (44 lb), possibly up to 3 m (9 ft 10 in) and 40 kg (88 lb), making it the fourth-largest extant species of lizard (exceeded in size only by the Komodo dragon, Asian water monitor and crocodile monitor).
Australia has over 860 species, a large number in comparison to other continents; for example, North America's total is about 280. [1] The most species-rich group is Squamata, the snakes and lizards. They are especially diverse in the arid areas of Australia, where other fauna are scarcer.
It is the largest terrestrial lizard known to have existed, but the fragmentary nature of known remains make estimates highly uncertain. Recent studies suggest that most known specimens would have reached around 2–3 m (6.6–9.8 ft) in body length excluding the tail, while some individuals would have been significantly larger, reaching sizes ...
In Australia, it coexisted with the even larger monitor species Varanus priscus also known as megalania, the largest terrestrial lizard ever. [22] The oldest records of the Komodo dragon on Flores date to around 1.4 million years ago, during the Early Pleistocene . [ 23 ]
The Komodo dragon is the largest living species of lizard in the world. The largest of the monitor lizards (and the largest extant lizard in genera) is the Komodo dragon (Varanus komodoensis), endemic to the island of its name, at a maximum size of 3.13 m (10.3 ft) long and 166 kg (366 lb), although this is currently the only record that places ...
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A goanna is any one of several species of lizard of the genus Varanus found in Australia and Southeast Asia. Around 70 species of Varanus are known, 25 of which are found in Australia. This varied group of carnivorous reptiles ranges greatly in size and fills several ecological niches. [1]