10 Bizzare Evolutionary Behaviors That Help Animals Survive

5. Regeneration

Lose a limb? No problem—if you’re a starfish. These echinoderms possess an incredible ability to regenerate entire arms, and some species can even regrow their entire bodies from a single severed limb. Salamanders and certain lizards also showcase impressive regeneration skills, with some able to regrow lost tails as a survival tactic. While mammals generally lack this ability, studying these creatures could unlock medical breakthroughs in human tissue repair and healing.