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

From the dense tropical forests to arid deserts, the planet is home to some truly massive lizards. These fascinating lizards looks straight out of a prehistoric movie. These giants dominate their ...

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, ...

FORT LAUDERDALE, Fla. — Six-foot predatory lizards normally found along the Nile River in Africa have set up shop in South Florida — and Palm Beach County canals are a hot spot. Nile monitors, which ...

Goannas are Australian monitor lizards that wander into schools and urban spaces, drawn by food smells and warmth. There are over two dozen goanna species in mainland Australia, occupying diverse ...

Meet the Nile monitor, an invasive species that the U.S. Geological Survey has called the largest and most dangerous lizard in America. It's well established in Florida, and there have been sightings ...

"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 ...