the world > animals > birds > order Charadriiformes > family Alcidae (auks) > [noun] > genus Alca > alca impennis (great auk (extinct)) (3)
The great auk, Alca (or Pinguinus) impennis, extinct since 1844. Now historical.
North American. The great auk, a (now extinct) large flightless bird of the North Atlantic, Pinguinus (or Alca) impennis. rare. Now historical.
The great auk (Alca impennis).