Scientists at Kruger National Park in South Africa study the use of hormonal implants in female elephants as a form of birth control.

Ellen Rogers assists Dr Cobus Raath in capturing a white rhinoceros and, to her surprise, she's handed a dart gun to tranquillize the massive animal. While the rhino is temporarily unconscious, she an...

Ellen and Jorge have an eventful encounter with a herd of wildebeests.

Ellen Rogers and Dr Cobus Raath try to herd a group of South African Gemsbok antelope.

A herd of Burchell's zebras is relocated to West Coast National Park in South Africa; and blesbok antelope are rescued.

Transporting two male wild dogs for participation in a breeding program, and populating an area with roan antelope.

Oxpecker birds get sick from eating parasites off of big-game animals

Black rhinos survive in parks and protected areas.

The park's elands (a breed of antelope) must be herded and relocated to a sanctuary.

Complications arise when Ellen and Jorge are given the task of capturing two adolescent giraffes.

A village has a hyena problem, which Jorge and Ellen attempt to solve under the cover of darkness; and Ellen assists in immunizing male lions

Hippos are fierce and dangerous animals; Ellen and Jorge help to relocate a hippo herd.

Treating elephants in the wild when an elephant herd breaks out of the Kruger National Park.