Webbed Feet help an animal swim faster underwater. This is why some scuba divers wear those duck paddle things.
What Is The Use Of Webbed Feet On Some Animals?
It is useful if animals do not have tails and live in mostly freshwater ecosystems and webbed feet help them swim faster
The use of webbed feet is so that the animal or amphibian or reptile can swim well because it probably doesn't have a tail.