Efforts to pull the northern white rhino from the brink of extinction intensify as the last living male declines in health

In Kenya, the last male northern white rhino (Ceratotherium simum cottoni) in the world isn't faring well - the animal is past its prime and in declining health. With time running out, a global team of scientists and conservationists are trying to save the subspecies from extinction with help from the last two surviving females.