They just want to remind people to keep an eye out as they're out and about that they don't have a falling green iguana landing on them.

The reptiles can grow up to 5 feet long and weigh as much as 17 pounds.

Being they're cold blooded, when the temperatures fall into the 40's, iguanas will stiffen up, lose grip, and fall to the ground.

“Even if they look dead as a doornail — they’re gray and stiff — as soon as it starts to heat up and they get hit by the sun rays, it’s this rejuvenation,” Ron Magill, communications director for Zoo Miami, told The NY Times. “The ones that survive that cold streak are basically passing on that gene.”

Iguanas tend to be aggressive when they initially warm up.

Read more at WESH2

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