Sunday, January 9, 2011

Iguanas

Iguanas are a popular pet, although I do not have one!

Iguanas have a third eye on the top of their head that looks like a pale scale and is called a parietal eye. The tympanum is the iguana's ear drum and is located under their third eye. They have a row of scales that look like spikes. We usually can't see iguanas because they are good at hiding and blending into their background.

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