Wildlife biologists and trappers in Florida say Nile monitors are an up-and-coming invasive species that threatens native wildlife.

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

Green iguanas are mostly plant-eaters. Nile monitors are carnivores that actively hunt vertebrate prey. Monitors are bulkier, ...

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

Add Yahoo as a preferred source to see more of our stories on Google. This invasive Florida species can climb, swim and is highly aggressive. Meet the Nile monitor, the largest and most dangerous ...

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.