Learn how to say Impennis correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word great auk:
a large extinct flightless auk (seabird) of the North Atlantic, resembling a giant razorbill. The great auk was the original ‘penguin’; many were taken for food, and the last individuals were killed on an islet off Iceland in 1844.
Alca (or Pinguinus) impennis, family Alcidae