The Nile monitor is an invasive, aggressive lizard species established in parts of Florida. These large lizards can grow over 6 feet long and are skilled swimmers and climbers. While not venomous, ...

Creeping through the mangroves of Papua New Guinea, a clawed creature evaded detection. At least, it tried to and largely succeeded — until a scientist arrived on the island in the southwestern ...

Renee Aland had to do a double take when she spotted a 5-foot lizard along the side of the road. It wasn't an alligator, at least not with that long of a tongue. Aland spotted the monitor lizard, ...

"He's a big fella, and he's scary," homeowner Zachary Lieberman told "GMA." A 6-foot-long lizard has been terrorizing a Florida family for weeks after taking up residence in their backyard. "He's a ...

Invasive Nile monitors in Georgia have been labeled the largest and most dangerous lizards in the U.S. Where are they? How ...