7 of the World Most Dangerous Lizards and Turtles

Gila monster: The Gila monster (Heloderma suspectum) was named for the Gila River Basin and occurs in parts of the U.S.

Snapping turtles : Snapping turtles are freshwater turtles named for their method of biting that are noted for their large size and aggressive nature.

Mexican beaded lizard: A closely related species, the Mexican beaded lizard is slightly larger and darker than the Gila monster but otherwise similar in appearance.

The Iguanas: The best-known species of iguana is the common, or green, iguana (Iguana iguana), which occurs from Mexico southward to Brazil. 

Tree crocodile, or Crocodile monitor: Crocodile monitors are found on the island of New Guinea. 

Common, or Malayan, water monitor: The Malayan, or common, water monitor is native to the Greater Sunda Islands and coastal areas of the Bay of Bengal.

Komodo dragon: The Komodo dragon is the largest living lizard species. 

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