In the face of a warming climate, the new research by Tulane scientists bodes poorly for the comparatively mild-mannered ...

Invasive Nile monitors in Georgia have been labeled the largest and most dangerous lizards in the U.S. Where are they? How dangerous are they?

A study appearing in Behavioral Ecology shows that in male wall lizards, certain behaviors have a greater influence on the way they resolve territorial disputes than their size and coloration. While ...

From three morphs to one: Across 220 populations, the pattern is consistent: where "Hulk" arrives, yellow and orange throat ...

Two new studies into lizard colors reveal how one species maintains its colorful diversity while others are losing their ...

A newly evolved, aggressive “Hulk” wall lizard is spreading out from the Rome region — and researchers are watching a million-year stable system unravel in real time. From three morphs to one: Across ...

Body shape, colour and behaviour often evolve together as species adapt to their environment. Researchers from Lund University in Sweden have studied this phenomenon in a specific type of large, ...

Three near-identical U.S. lizards have kept their identities for millions of years in a way that researchers compare to the ...

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, ...

Meet the Nile monitor, an invasive species that the U.S. Geological Survey has called the largest and most dangerous lizard in America. It's well established in Florida, and there have been sightings ...