David Perpinan / Anesthesia of a wild Eastern indigo snake (Drymarchon couperi) using inhalant anesthetics in a zip lock bag. Small repro only.

David Perpinan / Anesthesia of a captive bamboo shark (Chiloscyllium plagiosum) Small repro only

Suzi Eszterhas / Koala (Phascolarctos cinereus), male sick with chlamydia on scale while under anaesthetic. Currumbin Wildlife Hospital, Queensland, Australia, captive.

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 (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), 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 / 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 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 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 / 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...