Answer:
John Lennon sang about being this toothy creature.
Small edible creature from the sea that is often served at restaurants.
Known for their natural tuxedos and marching.
I have a long thin beak that I use to suck nectar from flowers and my wings beat very fast. What am I?
The signature stroll of ducks and penguins.
You use it between your head and your toes, the more it works the thinner it grows.