PUNTA GORDA, Fla.–This weekend is expected to be one of the coldest in four years for South Floridians, prompting the National Weather Service in Miami to issue a Falling Iguana Alert via Twitter. Jan. 30 is predicted to be the coldest day locally since 2018. South Florida occasionally sees temperatures dip into the 30s and 40s overnight, which causes the cold-blooded reptiles to become “temporarily stunned,” until temperatures warm up.  They are known to sleep in trees and when immobilized by the cold, they “stiffen and lose their grip on the branches,” and fall to the ground or sometimes on an unsuspecting passerby. Iguanas are not indigenous to Florida and are considered invasive by the Florida Fish and Wildlife Commission (FWC).  Native to Central and South America and Mexico, they prefer warmer climates, making Florida ideal.  However, when temperatures reach 40 and below, they slip into a cold-induced slumber. Instead …