The lizard Podarcis muralis nigriventris might not grow to a freakish size and smash everything in sight, but evolution has turned this lizard into the Incredible Hulk of sorts—green skin included. P.

For millions of years, the common wall lizard kept a fragile evolutionary balance with vibrant orange, yellow, and white-throated types that lived together in a stable ‘rock-paper-scissors’ social ...

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, ...

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 ...

Hulk lizards are eliminating long-standing color types within their species, disrupting an evolutionary system that lasted millions of years.