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 ...
Ptychadena nana individuals with green and brown color morphs. Image courtesy of Sandra Goutte. A team of researchers at NYU Abu Dhabi (NYUAD) has uncovered how a common color variation in frogs has ...
Scientists reconstructed 500 million years of evolutionary history to reveal which came first: colorful signals or the color vision needed to see them. The natural world is awash with color, and many ...
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