Fig. 2

Stranded Burmeister’s porpoise in the Falkland Islands. Key diagnostic morphological features indicated are: a conical head without a well-defined beak, b dark eye patch, c spatulate teeth, d dorsal fin located posterior to the midpoint of the back, e sloped leading edge and a straight trailing edge to dorsal fin, f broad flippers. Photographs courtesy of Susan Rutherford and Monika Łukomska