the.com/webbed feet
Built-in flippers that evolution kept reinventing because paddling beats drowning every single time.
convergent designEvolved separately in ducks, otters, frogs, and more
human versionRoughly one in 2,000 people born with webbed toes
embryo defaultAll human hands start webbed before cells die away
climbing geckoSome flying geckos use webbed feet to glide