"Evolution can move a lot faster than people think when the right pressure shows up." ...

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 ...

For ages, wall lizards coexisted in three distinct color types, each with its own strategy for survival. Now, a powerful green variant is taking over. These dominant “Hulk” lizards are outcompeting ...

The tegu is a large, invasive, commonly black and white lizard from Argentina. They can grow up to 4 feet long and weighing 10 pounds or more, according to Georgia Wildlife. Unlike some other lizards, ...

A sudden rustle near the garden wall. A long tail disappearing under shrubs. Heavy claw marks near a water source. For many ...

Humans for ages believed that wall lizards coexisted in three distinct color types, each with its own strategy for survival. For millions of years, scientists observed a vibrant mix of colors ...