Florida Temperatures Drop, , Resulting in 'Falling Iguana' Alert.<br />NBC News reports the National Weather Service in Miami-South Florida had an <br />odd warning for its residents on Jan. 30.<br />Iguanas are falling from the trees, <br />but don't be alarmed.<br />Officials say many iguanas in South Florida had become immobilized due to unseasonably cold temperatures, resulting in many falling from their perch as they slept on tree branches.<br />Iguanas are cold-blooded. They slow down or become immobile when temps drop into the 40s (4-9 Celsius). , National Weather Service, via Twitter.<br />They may fall from trees, but they are not dead. , National Weather Service, via Twitter.<br />As temperatures plummeted to lows of <br />25 degrees Fahrenheit, residents reported yards "littered with frozen iguanas.”.<br />...Because it gets so cold, <br />they lose that ability to <br />hang on and then they do <br />fall out of trees a lot. , Zoologist Stacey Cohen, reptile expert at Palm Beach Zoo, via NBC News.<br />Though most of the iguana population of South Florida will survive this cold spell, experts say for them, low temperatures <br />are often a death sentence.<br />Cold is a very, very life-threatening thing <br />for them because they are from parts of <br />Central and South America close to the <br />equator where it always stays very warm. , Zoologist Stacey Cohen, reptile expert at Palm Beach Zoo, via NBC News.<br />Green iguanas are not native to<br />South Florida. They are <br />considered an invasive species.<br />According to the Florida Fish and Wildlife Conservation Commission, iguanas were introduced to the region by accident, <br />as stowaways on cargo ships
