Super-Strong Green Lizards Are Taking Over and Winning the Battle

For thousands of years, wall lizards came in three different colors—yellow, orange, and green—and they all lived together just fine. But now, the big powerful green lizards are winning so hard that the other colors are disappearing! Scientists call them "Hulk" lizards because they're so dominant, and this shows us that nature can change really fast when one group becomes too strong.