Moreover, the morning atmosphere provides perfect temperature for digestion of food. You can feed them all through the day also, but take care to feed in small quantities. Take specific care not to feed iguanas heavily before they sleep. The size and growth of iguanas depends on the quantity of food fed to them. It is also known to eat the insects, worms and feces of desert lizards, mammals as well of carrion. The desert iguana can move very fast. You may spot them often crossing the roads or running ahead of your car. They possess powerful hind legs to move swiftly. Foxes, weasels, rats, bird of prey, snakes and human beings are their enemies. Female iguana can dig 100% play sand easily and make the pits for eggs that can also be used. It should be ensured that the nests are safe from pest. Moreover, the reptile should be safe in the proper environment of the nests against any harm like abrasion or injuries. The box used for nest should be durable and should contain about 200 pounds of sand or soil in it. Male iguanas erect their spine at back while in courtship and bobble the head. They are more aggressive while in courtship. At the same time they are timid also and will run away out of fear. Female iguanas lay the eggs by digging tunnels. They do not hatch their eggs. The eggs get hatched themselves in warmth. The Dwelling for Iguana: If you are new to keeping iguana as pet, you can start with a tank to keep them. It should be nearly 30 to 50 gallons. It is better to get a made to order shelter for them. As they grow, you need to provide them larger shelter. The cage should have a good height so that the iguanas can jump around. It is hard to absorb the animal proteins and it may produce uric acid in the body which causes gouty arthritis. 2. Water: iguanas consume only a meager quantity of water. There should be sufficient amount of humidity in their cage, otherwise they may get dehydrated. This will harm them. You should give them plenty of water to drink.