The creatures can grow up to 5 feet long. Officials issue warning after hikers spot huge invasive lizard lurking in state park: 'If you see it, back away safely' first appeared on The Cool Down.

Another giant reptile is clawing its way toward disrupting the South Florida ecosystem as an invasive species. The Nile monitor -- a semi-aquatic lizard equipped with razor claws that can grow up to 6 ...

Nile monitor lizards, an invasive species, are making their presence known in Cape Coral as temperatures rise.

Powerful, carnivorous Nile monitor lizards are expanding through South Florida's canal systems, with sightings climbing sharply, according to wildlife officials.

Nile monitor lizards, an invasive and dangerous species, are spreading across Florida. Here's where they are and what to do if you see one.

REIDSVILLE, Ga. (CBS Local)-- An invasive South American lizard that officials in Georgia are attempting to eradicate "should be shot on sight," a reptile conservation group says. The Argentine Black ...

Florida residents are no strangers to invasive reptiles. But this 6-foot-long African lizard poses an especially big threat.

A brown anole crawls along a metal pipe leading under a home in New Orleans. Researchers found that brown anoles get more aggressive as the temperature rises. (Louisiana Illuminator photo) Researchers ...

The Argentine black and white tegu was the subject of a five-day-long search at Joseph D. Grant County Park in Northern California Santa Clara County Parks A black-and-white tegu lizard was spotted in ...

Nile monitor lizards are dangerous, invasive predators in Florida. Here's where they are in the state and what to do if you ...

In Florida, winter can arrive with a sweater, a space heater and, on some mornings, a lizard dropping from a tree. The image of a rigid iguana on a sidewalk has long been treated as one of the state’s ...

South Florida is already home to iguanas, crocodiles, and alligators, and all manner of dangerous animals (looking at you, Burmese pythons), but few likely know we also have dragons. Invasive species ...