Fossil proves hyenas once roamed Canada's Arctic Plains June 18, 2019 at 02:08PMhttps://https://bbc.in/2x5sWgQ A 50-year-old mystery has been solved by scientists who identified the teeth of ancient Arctic hyenas.

A 50-year-old mystery has been solved by scientists who identified the teeth of ancient Arctic hyenas.

from BBC News - World https://bbc.in/2IROpj7