( Podicipedidae ) are the major groups of  foot  propelled diving birds. Wing-propelled diving birds Other diving birds are wing - propelled, most notably the  Penguins  ( Sphenisciformes ),  Dippers  ( Cinclus ) and  Auks ( Alcidae ). Posted by Dr. Pterosaur at 10:14 AM 1 comment: Dr. Pterosaur December 23,