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

Invasive Nile monitor lizards are carnivorous, can grow over six feet long, and are considered dangerous to humans and pets. Most of the over 2,000 sightings have occurred in South Florida, ...

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Nile monitors are olive-green or black with yellow striping on their head and jaw. They have razor-sharp claws, a long split ...

Add Yahoo as a preferred source to see more of our stories on Google. Iguanas falling from trees aren’t the only invasive lizard to watch out for in South Florida. Invasive, carnivorous Nile monitor ...

"You cannot wait until an invasive species has demonstrated its impact upon the ecosystem. If you do, then it's too late." ...