In a Nigerian national park, the fight is on to save the country's last lions. Ranger Mathias Inagberue is trying to find better ways to protect them. But poachers, conflicts and disease are a huge challenge.

Poachers have their eyes on the grazing elephants at home in the foothills of Mount Kilimanjaro. But neighboring Maasai and Safari tour operators are teaming up to protect the animals.

Swaziland is proposing to partially lift the ban on rhino horn trade at a summit of the trade of endangered animals, which is under way in Johannesburg, South Africa.

Nigeria's largest nature reserve is under threat, with poachers posing the greatest danger to the park's last remaining elephants.