"It's like catching a tornado. Swim, burrow, they climb trees, they are like modern day velociraptors." ...

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

"They're very wild, they're very active. They don't make good pets at all. They don't calm down." ...

Three striking new species of rock-dwelling monitor lizards have been formally described from the savannas of northeastern Queensland, revealing a previously unrecognized evolutionary lineage. The ...

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

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 ...

One animal in Australia is so difficult to spot it has been named the hidden dragon lizard. The reptile, which blends perfectly into the reddish orange terrain, avoided documented sightings for years.

LOS ANGELES – Two new baby lizards have hatched at the Los Angeles Zoo, the first of their species to be bred there, zoo officials said Thursday. Perentie lizards, or Varanus giganteus, are native to ...

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

Australian biologists have bred and released genetically modified Guthega skinks — a type of small lizard — into an outdoor enclosure in hopes that their offspring will be better adapted to handle the ...

What happens when a species has not been seen by anyone for decades? Environmentalists think of these as "lost species." We do not know if they've gone extinct, or if it's simply that nobody has ...