Iguanas drop from trees due to cold

Published: Friday, January 4, 2008 at 11:45 a.m.
Last Modified: Friday, January 4, 2008 at 11:45 a.m.

KEY BISCAYNE, Fla. - How cold was it in South Florida this week? Cold enough to cause iguanas to drop out of trees on Key Biscayne.

The cold-blooded reptiles go into a deep sleep when the temperature falls into the 40s. Experts say their bodies basically shut off and they lose their grip on the tree.

It is more like suspended animation than sudden death. Experts say the reptiles perk up when the temperatures rises.

Most of the iguanas were once pets that got released when they got too big. The reptiles can grow up to six feet long.

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