 They may seek out eggs from other reptiles and from birds' nests, and will eat small birds and other vertebrates.In adulthood tegus continue to eat insects and wild fruits, and it is assumed that such components include desirable or essential nutrients.In captivity, tegus commonly are fed high protein diets that include raw or cooked flesh such as ground turkey, canned & dry dog food, commercial crocodile diet, chicken, eggs, insects, and small rodents.