Sandesh Kadur / Tranquilized Sloth bear (Melursus ursinus) at the Wildlife SOS Rehabilitation Centre, Bannerghatta National Park, Karnataka, India, 2009.

Sandesh Kadur / Claws of a tranquilized Sloth bear (Melursus ursinus) at the Wildlife SOS Rehabilitation Centre, Bannerghatta National Park, Karnataka, India, 2009.

Sandesh Kadur / Group of veterinary surgeons x-raying the jaw of a tranquilized Sloth bear (Melursus ursinus) at the Wildlife SOS Rehabilitation Centre, Bannerghatta National Park, Karnataka, India, 2009.

Sandesh Kadur / Group of veterinary surgeons examining the teeth of a tranquilized Sloth bear (Melursus ursinus) at the Wildlife SOS Rehabilitation Centre, Bannerghatta National Park, Karnataka, India, 2009.

Sandesh Kadur / Group of veterinary surgeons around a tranquilized Sloth bear (Melursus ursinus) at the Wildlife SOS Rehabilitation Centre, Bannerghatta National Park, Karnataka, India, 2009.

Roland Seitre / Antoine Barnaud veterinarian from the ASPO team, setting trap for Polynesian rat (Rattus exulans) as part of invasive species management project, on the Hwadrilla Wharf, Ouvea, Loyalty Islands Provinc...

Neil Aldridge / A researcher working for the Endangered Wildlife Trust using radio telemetry equipment to track African wild dogs (Lycaon pictus), Venetia Limpopo Nature Reserve, Limpopo Province, South Africa, July...

Neil Aldridge / A researcher working for the Endangered Wildlife Trust standing on top of a kopje in order to get a better signal whilst using radio telemetry equipment to track African wild dogs (Lycaon pictus), Ven...

Neil Aldridge / A researcher working for the Endangered Wildlife Trust using radio telemetry equipment to track African wild dogs (Lycaon pictus) whilst walking with tourists, Venetia Limpopo Nature Reserve, Limpopo...

Neil Aldridge / Vet working for the Endangered Wildlife Trust measuring the distance between puncture wounds in the throat of an African wild dog (Lycaon pictus) to determine the cause of death whilst undertaking a n...

Neil Aldridge / Vet working for the Endangered Wildlife Trust measuring the distance between puncture wounds in the throat of an African wild dog (Lycaon pictus) to determine the cause of death whilst undertaking a n...

Neil Aldridge / Vet working for the Endangered Wildlife Trust showing the puncture wounds in the neck of a dead African wild dog (Lycaon pictus) whilst undertaking a necropsy, Venetia Limpopo Nature Reserve, Limpopo...

Neil Aldridge / Vet working for the Endangered Wildlife Trust checking the teeth of a dead African wild dog (Lycaon pictus) whilst carrying out a necropsy, Venetia Limpopo Nature Reserve, Limpopo Province, South Afr...

Neil Aldridge / Vet working for the Endangered Wildlife Trust fastening a pheromone imbued calming collar around the neck of a tranquilized African wild dog (Lycaon pictus), these collars are designed to soothe dogs...

Neil Aldridge / Vet working for the Endangered Wildlife Trust placing a pheromone imbued calming collar around the neck of a tranquilized African wild dog (Lycaon pictus), these collars are designed to soothe dogs i...

Neil Aldridge / Endangered Wildlife Trust vet removing a radio collar from a tranquilized African wild dog (Lycaon pictus) on the tailgate of a research vehicle, Venetia Limpopo Nature Reserve, Limpopo Province, Sout...

Neil Aldridge / Endangered Wildlife Trust vet removing a radio collar from a tranquilized African wild dog (Lycaon pictus) on the tailgate of a research vehicle, Venetia Limpopo Nature Reserve, Limpopo Province, Sout...

Ann & Steve Toon / Team of Elephant Population Management Program surgeons perform vasectomy on wild elephant bull, (Loxodonta africana), using keyhole surgery. Private game reserve in Limpopo, South Africa. April 2011...

Ann & Steve Toon / Wild elephant (Loxodonta africana), vas deferens, removed during keyhole surgery in the bush. Private game reserve in Limpopo, South Africa, April 2011. Winner of the IUCN grant in the Melvita Natu...

Ann & Steve Toon / Wild elephant bull, (Loxodonta africana), hoisted into position by crane for vasectomy operation in bush by the Elephant Population Management Program team. Private game reserve in Limpopo, South Afri...

Ann & Steve Toon / Elephant Population Management Program surgeon Dr Dean Hendrickson, director of Colorado State University Veterinary Teaching Hospital makes ID notch in vasectomised wild elephant bull (Loxodonta afr...

Ann & Steve Toon / Veterinary surgeons from the Elephant Population Management Program, carrying out 'keyhole' laparoscopic vasectomy on wild elephant (Loxodonta africana). Private game reserve in Limpopo, South Africa,...

Ann & Steve Toon / Wild elephant (Loxodonta africana), under anaesthetic while undergoing vasectomy carried out by Elephant Population Management Program veterinary team. Private game reserve in Limpopo, South Africa, A...

Ann & Steve Toon / Wild elephant (Loxodonta africana), being prepared for laparoscopic 'keyhole' vasectomy, by team from Elephant Population Management Program. Private game reserve in Limpopo, South Africa, April 2011

Ann & Steve Toon / Veterinary surgeons carrying out 'keyhole' laparoscopic vasectomy on wild elephant (Loxodonta africana). Private game reserve in Limpopo, South Africa, April 2011

Ann & Steve Toon / Wild elephant (Loxodonta africana), under anaesthetic while undergoing vasectomy carried out by Elephant Population Management Program veterinary team. Private game reserve in Limpopo, South Africa, A...

Ann & Steve Toon / Laparoscopic vasectomy of wild elephant (Loxodonta africana), showing instruments in 'keyhole'. Private game reserve in Limpopo, South Africa, April 2011

Ann & Steve Toon / Taking footprint of wild elephant, (Loxodonta africana), after a vasectomy operation using keyhole surgery in the bush. Private game reserve in Limpopo, South Africa. Christine Hardy of the Elephant...

Ann & Steve Toon / Truck closeup of wild elephant (Loxodonta africana), being prepared for a vasectomy operation using keyhole surgery in the bush. Private game reserve in Limpopo, South Africa. Dr Douw Groebler in bac...

Ann & Steve Toon / Wild elephant (Loxodonta africana), vas deferens, removed during keyhole surgery in the bush. Private game reserve in Limpopo, South Africa. April 2011

Ann & Steve Toon / South African surgeons from the Elephant Population Management Program surgical help perform keyhole surgery to vasectomise a wild elephant (Loxodonta africana) in the bush. Private game reserve in L...

Ann & Steve Toon / Elephant Population Management Program surgeon Dr Johan Marais, left, of the University of Pretoria's Faculty of Veterinary Science assisted by Dr Dean Hendrickson, director of Colorado State Universi...

Ann & Steve Toon / Team of Elephant Population Management Program surgeons, assisted by Dr Mark Stetter, right, director of animal health at Disney's Animal Kingdom in Florida perform vasectomy on wild elephant bull (Lo...

Ann & Steve Toon / Team of Elephant Population Management Program surgeons perform vasectomy on wild elephant bull (Loxodonta africana), using keyhole surgery. Private game reserve in Limpopo, South Africa. April 2011

Ann & Steve Toon / Wild elephant bull (Loxodonta africana), hoisted into position by crane for vasectomy operation in bush by the Elephant Population Management Programme team assisted by Douw Groebler, game capture exp...

Ann & Steve Toon / Wild elephant bull (Loxodonta africana), with drip hoisted into position by crane for vasectomy operation in bush by the Elephant Population Management Program team. Private game reserve in Limpopo, S...

Ann & Steve Toon / Wild elephant bull (Loxodonta africana), hoisted into position by crane for vasectomy operation in bush by the Elephant Population Management Program team. Private game reserve in Limpopo, South Afri...

Ann & Steve Toon / Wild elephant bull (Loxodonta africana), hoisted into position by crane for vasectomy operation in bush by the Elephant Population Management Program team with Dr Jeff Zuba, senior associate veterinar...

Ann & Steve Toon / Wild elephant bull (Loxodonta africana), hoisted into position by crane for vasectomy operation in bush by the Elephant Population Management Program team. Private game reserve in Limpopo, South Afri...

Ann & Steve Toon / Surgeons opening 'keyhole' for laparoscopic vasectomy of wild elephant (Loxodonta africana). Private game reserve in Limpopo, South Africa, April 2011

Ann & Steve Toon / Wild elephant bull (Loxodonta africana), hoisted into position by crane for vasectomy operation in bush by the Elephant Population Management Program team. Private game reserve in Limpopo, South Afric...

Ann & Steve Toon / Vasectomy of wild elephant (Loxodonta africana), with Dr Deena Brenner of the Elephant Population Management Program,vet Denver Zoo and anaesthesia specialist. Private game reserve in Limpopo, South A...

Ann & Steve Toon / Vasectomy of wild elephant (Loxodonta africana), with Dr Jeff Zuba of the Elephant Population Management Program, senior associate veterinarian of the San Diego Zoologicial Society preparing the eleph...