The chestnut on a horses leg is the remnant from when they were multi toed animals. The Chestnut has absolutely no bearing on if a horse can swim or not.
As you probably know, horses swim by using their legs to move them forwards and to keep them afloat. The horse can drown by simply getting to tired or getting a cramp
They use their legs to swim.
Frogs that swim use their powerful hind legs and webbed feet to propel them through the water.
so with the legs they can swim faster
No
You only need your arms and legs, and a body of water to swim in.
NO, Batman does not swim. Because if he was indeed a "bat" man, bats are unable to swim because of the structure of their wings.
They swim.
by there legs....
You have to move your legs in a scissor-like motion. / \ \ / Legs \ / /\
They swim with there legs.
The usual answer is that camels cannot swim, but they can. There is a question whether some apes, such as gorillas, may be too top heavy to swim, but this is not proven either way. In any event, their bodies are not that much denser than humans in water. The armadillo is another mammal where at least one species *can* float and swim, but some other species may be unable to.