A decade of research by carnivore expert Dr. Flip Stander has revealed a family structure and dynamic that is unique among Africa's lions.

Africa's Namib Desert is a harsh and unforgiving place, home to shifting, barren sand dunes, jagged mountains, and gravel plains.

Dr. Flip Stander changes the battery of a lion's GPS collar in the Namib Desert.

In the forbidding Namib Desert, along the Skeleton Coast of Namibia, Dr. Philip (Flip) Stander tracks a mysterious and remarkable quarry: lions.

Go inside one critical moment to discover how a lion is able to bring down its prey, a hulking adult wildebeest.

Should cloning be used to save lions? That is the question some conservationists are pondering as lion populations dwindle worldwide.

Check out these lion photos by members of the NATURE Flickr group, and find out how you can join the community.

(Airs Sunday, July 5) Africa's lion population appears to be declining at an alarming rate.

Predators haunt the wetland waters. Wild dogs come in for the kill, but they are driven off by lions, their age-old rivals.

Join two filmmakers as they pursue unique and amazing footage of Africa's five most spectacular cats: cheetahs, leopards, servals, caracals, and lions.