With temperatures expected to be as low as the 30s, there's a potential for South Florida's large iguana population to fall out of trees after their bodies seize up from exposure to the frosty air.

An iguana is paralysed ... lose their grip and fall. Despite this, most remain alive as they keep breathing and their main body functions still work. They will later thaw out in the sun as ...

Iguanas can freeze and fall from trees, then become easy prey; pythons can shiver to stay alive from the cold weather.