'(<a href="http://www.j-archive.com/media/2011-01-20_DJ_29.wmv">Underwater specialist Lisa Trotter delivers the clue from Antarctica.</a>)  Though efficient swimmers, penguins must come up for air, & do so in a method called this, after the way a certain cetacean leaps in and out of the water'
porpoising
PENGUINS: Though efficient swimmers, penguins must come up for air, & do so in a method called this, after the way a certain cetacean leaps in and out of the water
Though efficient swimmers, penguins must come up for air, & do so in a method called this, after the way a certain cetacean leaps in and out of the water
Though efficient swimmers, penguins must come up for air, & do so in a method called this, after the way a certain cetacean leaps in and out of the water
PENGUINS
porpoising
PENGUINS