Answer:
They're actually great swimmers now, but later they will become excellent hoppers.
They can swim but they’re not fish, they are slow but they are not turtles, they live and hang from tree but they’re not monkeys. What are they?
A mysterious, fantastic creature, It has one defining feature, And for humans at their worst, In their eyes it's just a horse
I am black and white and have flippers instead of wings but I still can't fly. What am I?
If a dog were filling out a resume, he might list his mastery of this game under "skills."
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?