Puffins 'fly' underwater: they paddle with their semi-extended wings and use their feet as a rudder.

Penguins and Puffins · day 7 of 7
Puffins steer underwater with their feet as a rudder.
A puffin holds the first fish in place with its muscular, grooved tongue.
An adult puffin needs about 40 fish a day.
Billing means wagging heads from side to side and rattling beaks together.
In its burrow a puffin growls somewhat like a chainsaw being revved up.
More about the Atlantic Puffin
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