Like many residents of warm climates, the brown lizards scurrying around New Orleans have a worse temper in extreme heat. According to a new study from Tulane researchers, these invasive brown anoles ...

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, ...

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

A myriad of colours that survived millions of years of evolution have disappeared in a short period of time. The culprit? A bright green, aggressive, and sexually dominant wall lizard that has wiped ...