Answer:
What animal keeps the best time?
They're actually great swimmers now, but later they will become excellent hoppers.
I have a powerful bite and live in rivers and swamps. People are often afraid of my big jaws. What am I?
A blackbird similar to, but much bigger than a crow
Stealthy as a shadow in the dead of night, cunning but affectionate if given a bite. Never owned but often loved. At my sport considered cruel, but that's because you never know me at all.
I love spinach.