Any type of feral domesticated pig, wild boar, or hybrid found world wide.
A mongrel hog with a thin body and long legs and a ridged back; a wild or semi-wild descendant of improved breeds; found chiefly in the southeastern United States.
Any of several baleen whales of the family Balaenopteridae having longitudinal grooves on the throat and a small pointed dorsal fin.
Having a sharp narrow back.