Gannet -

: Special air sacs under the skin of their face and chest act as cushions, absorbing the shock of the water.

: When partners reunite at the nest, they perform a "mutual fencing" ritual, wagging their bills and clacking them together to reestablish their bond. gannet

: Many species, like the Northern Gannet, mate for life. : Special air sacs under the skin of

: Their eyes have structural adaptations that allow them to see clearly underwater almost instantly after they hit the surface. Social Life and "Gannetries" they perform a "mutual fencing" ritual