Mark Carwardine / Black rhinoceros (Diceros bicornis) calf, hand reared, Endangered species, Mkhaya Game Reserve, Swaziland

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) beside water, Endangered species, Mkhaya Game Reserve, Swaziland

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) drinking, Endangered species, Mkhaya Game Reserve, Swaziland

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) beside water, Endangered species, Mkhaya Game Reserve, Swaziland

Mark Carwardine / Black rhinoceros (Diceros bicornis) calf with game ranger, Endangered species, Mkhaya Game Reserve, Swaziland

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) skulls retrieved from animals killed by poachers, Endangered species, Mkhaya Game Reserve, Swaziland

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) skulls retrieved from animals killed by poachers, Endangered species, Mkhaya Game Reserve, Swaziland

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) portrait, Endangered species, Mkhaya Game Reserve, Swaziland

Ann & Steve Toon / White rhino (Ceratotherium simum) with calf, both covered in mud, Mkhaya game reserve, Swaziland, Africa

Ann & Steve Toon / Ikowe mushroom (Termitomyces umkowaani) held in the hand, showing long root-like structure, these mushrooms are an edible delicacy. Mkhaya game reserve, Swaziland, Southern Africa

Ann & Steve Toon / Skulls of poached rhinos Mkhaya game reserve, Swaziland, Africa

Andy Rouse / White rhinoceros (Ceratotherium simum) calf sitting by waterhole, Mkhaya, Swaziland

Andy Rouse / White rhinoceros (Ceratotherium simum) mother feeding with inquisitive calf, Mkhaya, Swaziland

David Shale / White rhinoceros (Ceratotherium simum) grazing, Mkhaya Game Reserve, Swaziland

David Shale / White rhinoceros in landscape (Ceratotherium simium) Mkhaya, Swaziland

David Shale / Skulls of poached Black rhinoceros {Diceros bicornis} in rows, Mkhaya, Swaziland

David Shale / Collection of illegal snares, Mkhaya, Swaziland, South Africa

David Shale / White rhinoceros drinking, Mkhaya, Swaziland, Africa