It is a myth that only certain breeds have webbed feet. In fact all dogs have a certain amount of webbing linking their toes. In some breeds and individuals it is more developed than others.
In any breed there will be some variation in height, and this will be to a greater extent in breeds of a recently mixed ancestry, like pitbulls. So do not worry.
In any breed there will be some variation in height, and this will be to a greater extent in breeds of a recently mixed ancestry, like pitbulls. So do not worry.