Dossier
yellow morph
Coverage of yellow morph in the Nexus archive.
- Aggressive “hulk” lizards are wiping out millions of years of evolution
Wall lizards, which historically existed in three distinct color morphs (green, yellow, orange), are being overtaken by a dominant green variant dubbed 'Hulk' lizards. These aggressive green morphs are outcompeting the other color types, leading to the disappearance of yellow and orange lizards and accelerating evolutionary change.