You have to watch your step here sometimes or you will find yourself stepping on an iguana. I (like Charles Darwin did), find them to be quite a `hideous looking creature`. There are 2 types; land iguanas and marine iguanas. Marine iguanas feed on seaweed for one hour a day. The rest of the time they spend basking in the sun. They like to warm up but if they warm up too much, they die. If they are getting too warm, they face the sun directly rather than at an angle, so less of their body is exposed directly to the sun. They also raise their bodies up off the ground to let the air circulate under them. On cold days, iguanas pile up to keep warm.
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