Just about all kinds.
usually people eat the big frogs(as they have more meat)
Usually the frog's legs are cut off while the frog is alive. the frogs skin is cut off also on its legs.,
only the...
Hopping around. :) Actually, they are used to push the frog off the ground with momentum to jump around. The front legs are used to steer. Imagine the back legs as the engine in a car and the front...