It is very cold, so cold that iguanas are falling from trees. Experts say that cold blooded reptiles go into a deep sleep when temperature falls into 40's. Iguanas are not native to Florida and experts say they begin to threaten Florida's ecosystem, but it is not iguana's fault that irresponsible people brought them to Florida as pets and then released them. Some (many) floridians don't like iguanas, and some floridians love them (as a food). I have sympathy for iguanas and other lizards of different sizes - they are suffering.