In a bizarre reversal of natural order, a lioness adopts an oryx calf. Saba Douglas-Hamilton observes this strange turn of events in Kenya's Rift Valley, as local people fret over the fate of the two animals.
Wildlife advocate Peter Gros travels to Otjiwarongo, Namibia, to meet Laurie Marker at the Cheetah Conservation Fund Research Center where they observe cheetahs and discuss their future.