Friday, September 3, 2010

Green Iguanas

Eddie the Iguana doing his thing






Green Iguanas
These come mainly from the Americas. They spend a lot of their lives living in trees.
They are  herbivores and not aggressive unless frightened. When threatened  iguanas don't give up easy though, they raze their heads, open their jaws, their crest stands up and they use their long tails to frighten their attacker by whipping them.

Iguanas have three eyes two normal and one ( parietal eye)  on top center part of the skull  which looks like a blister, this lets their brain know whether it is day or night also allows to see shadows above. This eye works like a clock, the light effects chemicals in the brain instructing the body when to sleep.



Distribution of the green iguana








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