Answer:
They're actually great swimmers now, but later they will become excellent hoppers.
What goes zub zub zub
I hop and am known for having long ears and a fluffy tail. What am I?
I'm known for being stubborn and saying 'hee-haw.' What am I?
Who is it that rows quickly with four oars but never comes out under his own roof?
Two little holes in the side of a hill. Just as you come to the cherry-red mill.