Neil Aldridge / Cheetah (Acinonyx jubatus) standing in early morning light, Save Valley Conservancy, Zimbabwe, Vulnerable.

Neil Aldridge / Cheetah (Acinonyx jubatus) staring back over its shoulder, black and white. Save Valley Conservancy, Zimbabwe, August.

Neil Aldridge / African wild dog (Lycaon pictus) blurred motion photograph, Save Valley Conservancy, Zimbabwe.

Neil Aldridge / African wild dog (Lycaon pictus) pup peers around the base of a giant baobab tree on Save Valley Conservancy. Zimbabwe.

Lisa Hoffner / African elephant (Loxodonta africana) baby running away from noise, Samburu National Reserve, Kenya.

Terry Whittaker / Person dress as a cow holding a sign which says 'Dump dairy - Save a badger' encouraging a dairy boycott, at anti badger cull march, London 1st June 2013. Editorial use only.

Andy Rouse / 2020VISION / European river otter (Lutra lutra) swimming, Dorset, UK, May. Did you know? Following efforts to save them from extinction, otters have now returned to every county in England – proof that conservatio...

Mark Carwardine / Northern white rhinoceros (Ceratotherium simum cottoni) with horn removed, after initial release into the wild, Ol Pejeta Conservancy, Kenya, June 2010, Extinct in the wild, only eight left in captivi...

Mark Carwardine / Northern white rhinoceros (Ceratotherium simum cottoni) close-up of eye, Dvur Kralove Zoo, Czech Republic, December 2009, Extinct in the wild, only eight left in captivity, critically endangered, Part...

Mark Carwardine / Northern white rhinoceros (Ceratotherium simum cottoni) close up of eye, in enclosure at Dvur Kralove Zoo, Czech Republic, the day before departure, December 2009, Extinct in the wild, only eight left...

Shane Gross / Nurse shark (Ginglymostoma cirratum) resting in shallow water at sunset to save energy for mating which will take place the next morning. Eleuthera, Bahamas.

Shane Gross / Cuban crocodiles (Crocodylus rhombifer) photographed on a crocodile farm started by Fidel Castro in the 1960's in Cienaga de Zapata National Park to help save the species. Cuba. Critically endange...

Shane Gross / Cuban crocodiles (Crocodylus rhombifer) photographed on a crocodile farm started by Fidel Castro in the 1960's in Cienaga de Zapata National Park to help save the species. Cuba. Critically endange...

Ashley Cooper / 'Reject Plastic Bags, Save the Earth' sign banning plastic bags at the Victoria Memorial Hall in Calcutta, Bengal, India. December 2013

Ashley Cooper / Setting the central heating thermostat at a cooler temperature to save energy.

Mark Carwardine / Okarito kiwi / Rowi (Apteryx rowi) Department of Conservation officer holding captive bird, Save the Kiwi Trust, Okarito, South Island, New Zealand, June 2009, endangered species

Mark Carwardine / Okarito kiwi / Rowi (Apteryx rowi) Department of Conservation officer holding captive bird, Save the Kiwi Trust, Okarito, South Island, New Zealand, June 2009, endangered species

Bence Mate / Rangers looking at dead White Rhino (Ceratotherium simum) The Rhino was killed accidentally by its mother. The horn was cut by the rangers, to save it from poachers. Mkuze, South Africa

NPL / Young male African lion (Panthera leo) 'Alan' from Marsh pride, with head wrapped in jacket whilst KWS (Kenya Wildlife Service) vet triesto save him from poisoning. He had been poisoned after eating...

NPL / KWS (Kenya Wildlife Service) vet trying to save young male African lion (Panthera leo) 'Alan' from the Marsh pride, poisoned after eating carcass poisoned by local cattle herders, and subsequently at...

NPL / KWS (Kenya Wildlife Service) vet trying to save young male African lion (Panthera leo) 'Alan', which had been poisoned after eating carcass poisoned by local cattle herders, and subsequently attacked...

NPL / KWS (Kenya Wildlife Service) vet trying to save young male African lion (Panthera leo) 'Alan' from the Marsh pride, poisoned after eating carcass poisoned by local cattle herders, and subsequently...

NPL / Young male African lion (Panthera leo) 'Alan' from the Marsh pride, with head wrapped in jacket whilst KWS (Kenya Wildlife Service) vet tries to save him from poisoning after eating carcass poisoned...

Lisa Hoffner / Elephant radio collars on the ground at sunrise, Samburu National Reserve, Kenya.

Lisa Hoffner / Underpass built for African elephants (Loxodonta africana) to migrate under the busy Nanyuki-Meru road, northern Kenya.

Lisa Hoffner / Underpass built for African elephants (Loxodonta africana) to migrate under the busy Nanyuki-Meru road, northern Kenya

Lisa Hoffner / Elephant jaw bones collected for study by Save the Elephants (STE) researchers. Samburu National Reserve, Kenya.

Lisa Hoffner / Save the Elephants mobile eduction unit teaching children how to live safely with elephants. GirGir Primary School, right outside the gate of Samburu National Reserve, Kenya.

Lisa Hoffner / Save the Elephants mobile eduction unit at GirGir Primary School, right outside the gate of Samburu National Reserve, Kenya. School children learning about how to safely live with elephants and the ad...

Lisa Hoffner / Newly collared African elephant (Loxodonta africana) bull, Frank, waking up from the anaesthesia. Samburu National Reserve, Kenya. Taken with cooperation of Kenya Wildlife Service and Save the Elephan...

Lisa Hoffner / David Daballan with newly collared African elephant (Loxodonta africana) bull, Frank, waking up from the anaesthesia. Samburu National Reserve, Kenya. Taken with cooperation of Kenya Wildlife Service...

Lisa Hoffner / Man measuring tusks on newly collared African elephant (Loxodonta africana) bull, 'Frank'. Chris mearsuring the tusks on elephant, Frank. Samburu National Reserve, Kenya. Model released. Taken with co...

Lisa Hoffner / Man measuring tusks on newly collared African elephant (Loxodonta africana) bull, 'Frank'. Chris mearsuring the tusks on elephant, Frank. Samburu National Reserve, Kenya. Model released. Taken with co...

Lisa Hoffner / Scientists and rangers collaring African elephant (Loxodonta africana) bull, Samburu National Reserve, Kenya. Model Released. Taken with cooperation of Kenya Wildlife Service and Save the Elephants

Lisa Hoffner / Dr. Rono Bernard pouring water on the newly collared African elephant (Loxodonta africana) 'Frank' Samburu National Reserve, Kenya. Model released. Taken with cooperation of Kenya Wildlife Service and...

Lisa Hoffner / African elephant (Loxodonta africana) 'Frank' going down after just being tranquillized by Kenya Wildlife Service and Save the Elephants for radio collaring. Samburu National Reserve, Kenya. Taken wit...

Lisa Hoffner / African elephant (Loxodonta africana) 'Frank' going down after just being tranquillized by Kenya Wildlife Service and Save the Elephants for radio collaring. Seen from within vehicle. Samburu National...

Lisa Hoffner / African elephant (Loxodonta africana) 'Frank' going down after just being tranquillized by Kenya Wildlife Service and Save the Elephants for radio collaring. Samburu National Reserve, Kenya. Taken wit...

Lisa Hoffner / Tranquilizer dart in African elephant (Loxodonta africana) bull 'Frank' Samburu National Reserve, Kenya. Taken with cooperation of Kenya Wildlife Service and Save the Elephants

Lisa Hoffner / African elephant (Loxodonta africana) bull 'Frank' about to be tranquillized for collaring by Save the Elephants. Samburu National Reserve, Kenya.

Lisa Hoffner / Save the Elephants employee preparing collar for elephant collaring, Samburu National Reserve, Kenya.

Lisa Hoffner / Save the Elephants employee preparing collar for elephant collaring, Samburu National Reserve, Kenya.

Lisa Hoffner / Iain Douglas-Hamilton and Save the Elephants team members performing an analysis on poached African elephant (Loxodonta africana), Kenya. Model released.

Lisa Hoffner / Iain Douglas-Hamilton and Save the Elephants team members performing an analysis on poached African elephant (Loxodonta africana), Kenya. Model released.

Lisa Hoffner / Iain-Douglas-Hamilton and team watching African elephant (Loxodonta africana) whilst out on research in Samburu National Park, Kenya. Model released

Lisa Hoffner / Iain Douglas-Hamilton coordinating research efforts for Save the Elephants, Kenya. Model released.

Lisa Hoffner / Iain Douglas-Hamiton researching African elephant (Loxodonta africana) bones at Save the Elephants, Kenya. Model released.

Lisa Hoffner / Iain Douglas-Hamilton with various elephant radio tracking collars used by Save the Elephants, Samburu National Reserve, Kenya. Model Released

Lisa Hoffner / Iain Douglas-Hamilton with various elephant radio tracking collars used by Save the Elephants, Samburu National Reserve, Kenya. Model Released

Lisa Hoffner / Iain Douglas-Hamilton with various elephant radio tracking collars used by Save the Elephants, Samburu National Reserve, Kenya. Model Released

Lisa Hoffner / Iain Douglas-Hamilton with various elephant radio tracking collars used by Save the Elephants in the Samburu National Reserve, Kenya. Model Released

Lisa Hoffner / Iain Douglas-Hamilton with various elephant radio tracking collars used by Save the Elephants, Samburu National Reserve, Kenya. Model Released

Lisa Hoffner / David Daballan researching African elephant (Loxodonta africana) Samburu National Reserve, Kenya. Model released

Lisa Hoffner / David Daballan radio tracking African elephant (Loxodonta africana) Samburu National Reserve, Kenya. Model released.

Lisa Hoffner / David Daballan radio tracking African elephant (Loxodonta africana) Samburu National Reserve, Kenya. Model released.

Lisa Hoffner / David Daballan looking at confiscated bird nests taken by poachers in Samburu National Reserve, Kenya. Model Released.

Lisa Hoffner / Gilbert Sabinga with radio tracking collars at the Save the Elephant camp, Samburu National Reserve, Kenya. Model Released

Lisa Hoffner / African elephant (Loxodonta africana) waking up after being tranquillized. Elephant from Samburu schools herd. Samburu National Reserve, Kenya. Taken with cooperation of Kenya Wildlife Service and Sav...

Lisa Hoffner / Save the elephants team collaring African elephant (Loxodonta africana) from the Samburu schools herd. Samburu National Reserve, Kenya. Model Released. Taken with cooperation of Kenya Wildlife Service...

Lisa Hoffner / Tom Haines Henderson, David Daballan and Dr. Rono Bernard with Kenya Wildlife Service ranger. Collaring African elephant (Loxodonta africana) from the Samburu schools herd. Samburu National Reserve, K...

Lisa Hoffner / Dr. Rono Bernard getting ready to dart an elephant using M99 tranquilizer. Samburu National Reserve, Kenya. Model Released. Taken with cooperation of Kenya Wildlife Service and Save the Elephants

Lisa Hoffner / Young African elephant (Loxodonta africana) bulls, play fighting, Samburu National Reserve, Kenya.

Lisa Hoffner / Mother African elephant (Loxodonta africana) resting trunk on baby. Samburu National Reserve. Kenya.

Lisa Hoffner / Bull elephant (Loxodonta africana) crossing the Ewaso Ngiro river, Samburu National Reserve, Kenya.

Lisa Hoffner / Rebecca Sargent and Chris measuring African elephant 'Frank' (Loxodonta africana) foot during collaring operation. Samburu National Reserve, Kenya. Model Released. Taken with cooperation of Kenya Wild...

Lisa Hoffner / Save the Elephants team collaring African elephant (Loxodonta africana) 'Frank', Samburu National Reserve, Kenya. Model Released. Taken with cooperation of Kenya Wildlife Service and Save the Elephant...

Lisa Hoffner / Dr. Rono Bernard inspecting the trunk of African elephant (Loxodonta africana) bull, 'Frank' while collaring. Samburu National Reserve, Kenya. Model released.Taken with cooperation of Kenya Wildlife S...

Lisa Hoffner / Kenya Wildilfe Service vet Rono Bernard preparing to shoot 'Frank' with a tranquillizer in order to radio collar him. David Daballan from Save the Elephants helps from the passenger seat. Samburu Nati...

Lisa Hoffner / African elephant (Loxodonta africana) bull 'Frank, Samburu National Reserve, Kenya. Taken with cooperation of Kenya Wildlife Service and Save the Elephants

Lisa Hoffner / Save the Elephants collared African elephant (Loxodonta africana) feeding, Samburu National Reserve, Kenya.

Lisa Hoffner / Save the Elephants collared African elephant (Loxodonta africana) Samburu National Reserve, Kenya.

Lisa Hoffner / Dr Rono Bernard, Kenya Wildlife Service vet, and Save the Elephants team, taking care of a bullet wound of African elephant (Loxodonta africana) from the River family herd. Samburu National Reserve, K...

Lisa Hoffner / African elephant (Loxodonta africana) wanting to play, putting trunk on another, Samburu National Reserve, Kenya.

Lisa Hoffner / African elephant (Loxodonta africana) matriarch leading babies through the Ewaso Nyiro River, Samburu National Reserve, Kenya.

Lisa Hoffner / Young African elephant bulls (Loxodonta africana) play fighting, Samburu National Reserve, Kenya.

Lisa Hoffner / African elephant (Loxodonta africana) leading babies across the Ewaso Nyiro River. Samburu National Reserve, Kenya.

Lisa Hoffner / Elephant (Loxodonta africana) trunk grasping leaves, Samburu National Reserve, Kenya.

Lisa Hoffner / Baby elephant (Loxodonta africana) playing with log in Samburu National Reserve, Kenya.

Lisa Hoffner / Baby elephant (Loxodonta africana) playing with log in Samburu National Reserve, Kenya.

Lisa Hoffner / African elephant (Loxodonta africana) from the River family herd waking up from the anaesthetic, after treatment for a bullet wound. Samburu National Reserve, Kenya. Taken with cooperation of Kenya Wi...

Lisa Hoffner / Dressing applied to bullet wound on leg of African elephant (Loxodonta africana) applied by Dr Rono Bernard, Kenya Wildlife Service vet. Samburu National Reserve, Kenya. Taken with cooperation of Keny...

Lisa Hoffner / Dr Rono Bernard, Kenya Wildlife Service vet, and Save the Elephants team, taking care of a bullet wound of African elephant (Loxodonta africana) from the River family herd. Samburu National Reserve, K...

Lisa Hoffner / Dr Rono Bernard, Kenya Wildlife Service vet, taking care of a bullet wound of African elephant (Loxodonta africana) from the River family herd. Samburu National Reserve, Kenya. Model Released. Taken w...

Lisa Hoffner / Dr Rono Bernard, Kenya Wildlife Service vet, taking care of a bullet wound of African elephant (Loxodonta africana) from the River family herd. Samburu National Reserve, Kenya. Model Released. Taken w...

Lisa Hoffner / Dr Rono Bernard, Kenya Wildlife Service vet, taking care of a bullet wound of African elephant (Loxodonta africana) from the River family herd. Samburu National Reserve, Kenya. Model Released. Taken w...

Lisa Hoffner / Dr Rono Bernard, Kenya Wildlife Service vet and Save the Elephants team, trying to turn African elephant (Loxodonta africana) with wound in her side. Samburu National Reserve, Kenya. Model released. T...

Lisa Hoffner / Newly collared young African elephant (Loxodonta africana) from Samburu schools herd. Samburu National Reserve, Kenya. Taken with cooperation of Kenya Wildlife Service and Save the Elephants

Lisa Hoffner / Young African elephant (Loxodonta africana) from the Samburu schools herd, waking up from tranquillizer after being collared. Samburu National Reserve, Kenya. Taken with cooperation of Kenya Wildlife...

Lisa Hoffner / Elephant radio collars at Save the Elephants research headquarters, Samburu National Reserve, Kenya.

Lisa Hoffner / Save the Elephants mobile eduction unit teaching children about living together with elephants and how to protect them. GirGir Primary School, near Samburu National Reserve, Kenya.

Lisa Hoffner / Save the Elephants mobile eduction unit teaching children about living together with elephants and how to protect them. GirGir Primary School, near Samburu National Reserve, Kenya.

Lisa Hoffner / Save the Elephants mobile eduction unit teaching children about living together with elephants and how to protect them. GirGir Primary School, near Samburu National Reserve, Kenya.

Lisa Hoffner / Save the Elephants mobile eduction unit teaching children about living together with elephants and how to protect them. GirGir Primary School, near Samburu National Reserve, Kenya.

Lisa Hoffner / Save the Elephants mobile eduction unit teaching children about living together with elephants and how to protect them. GirGir Primary School, near Samburu National Reserve, Kenya.

Lisa Hoffner / Save the Elephants mobile eduction unit teaching children about living together with elephants and how to protect them. GirGir Primary School, near Samburu National Reserve, Kenya.

Lisa Hoffner / Save the Elephants mobile eduction unit teaching children about living together with elephants and how to protect them. GirGir Primary School, near Samburu National Reserve, Kenya.