on April 23, 2000
This book suggests two things that condemn it as being an unreliable source. It suggests that hatchling iguanas eat insects as a part of their diet. This has been shown not to be true. Iguanas eat only vegetable matter their whole lives and diets with high animal protein can kill them by age 6 (the process is slow and unnoticeable). The second suggestion that iguanas need to ingest gravel to aid digestion will be much more quickly fatal to an iguana. Iguanas are not birds and do not have any requirement for gravel. This book was published in 1976 and the information has been since proven harmful.