Richard Du Toit / African Elephant (Loxodonta africana) herd drinking, Chobe National Park, Botswana

Pete Oxford / Rosy Periwinkle (Catharanthus roseus) a medicinal plant in bloom, Isalo Massif, Isalo National Park, Madagascar

Pete Oxford / Terrestrial flatworm, Isalo National Park, Madagascar

Pete Oxford / Waterfall and freshwater pools, Isalo National Park, Madagascar