November 9, 2020
In this 2019 file photo, a silverback mountain gorilla named Segasira walks in the Volcanoes National Park, Rwanda. These large vegetarian apes are generally peaceful, but as the number of family groups in a region increases, so does the frequency of gorilla family feuds, according to a new study published Wednesday, Nov. 4, 2020, in the journal Science Advances. (AP Photo/Felipe Dana, File)