A female African lion, said to be similar to those discovered dead, is pictured in 2013.

A female African lion, stands on the branches of a tree at the Ramt Gan safari near Tel Aviv, Israel, Tuesday, Nov. 26, 2013. Tree-climbing lions are relatively uncommon and are best known for their populations in Uganda’s Queen Elizabeth National Park and Tanzania’s Lake Manyara national Park. (AP Photo/Ariel Schalit)