Florida
How cold does it need to get in Florida before iguanas start falling out of trees?
Iguanas begin to get sluggish or lethargic once the temperature drops below 50 degrees Fahrenheit.
MIAMI - It's a South Florida phenomenon that draws amusement from across the country — when temperatures drop below a certain level, cold-stunned iguanas start falling out of trees.
While it may sound bizarre, it happens. And there's a scientific rea... [2696 chars]