A primer on the tegu:* Tegus are native to South America.* The tegu's diet includes fruits, vegetables, eggs, insects, cat or dog food, and small animals such as lizards and rodents.* Like many reptiles, tegus are most active during the daytime.* The tegu is a large species of lizard and can grow up to 4 feet long.* In a burrow, a tegu can survive temperatures as low as 35 degrees.* Tegus spend th