Kenya Wildlife Services veterinarians set up a radio collar on the neck of a tranquilized 5-year-old lioness named Nyala to track her pride's movements at the Nairobi National Park near Nairobi, Kenya, Jan. 23, 2017. Kenya Wildlife Service said the it now had six lions in the park fitted with satellite tracking devices inserted into special collars, in a project that began in 2014. (Photo/Agencies)
