Oxpecker birds get sick from eating parasites off of big-game animals.
The park's elands (a breed of antelope) must be herded and relocated to a sanctuary.
Scientists at Kruger National Park in South Africa study the use of hormonal implants in female elephants as a form of birth control.
A herd of Burchell's zebras is relocated to West Coast National Park in South Africa; and blesbok antelope are rescued.
