Camouflage is an evolutionary adaptation that helps animals blend into their surroundings to avoid predators or ambush prey. Some species, like chameleons and cuttlefish, change color using specialized skin cells called chromatophores. Others, like stick insects and leaf-tailed geckos, mimic their environment’s textures and shapes for concealment. Disruptive coloration, seen in zebras and tigers, breaks up body outlines to confuse predators. Countershading, where the body is darker on top and...