Mark Payne-Gill / Polar bear tranquillised for transportation to sea ice Churchill, Canada {Ursus maritimus}

Richard Du Toit / African elephant bull being relocated from Kruger NP to Mozambiqe {Loxodonta africana} 2002

Jabruson / Field research on tranquillised Male Western lowland gorilla {Gorilla gorilla gorilla} Odzala NP, Congo Rep

Jabruson / Tranquillised African wild dog being fitted with radio collar (Lycaon pictus) Serengeti NP, Tanzania

Jabruson / Tranquillised African wild dog with radio collar (Lycaon pictus) Serengeti NP, Tanzania

Sue Flood / Tranquillised Polar bear {Ursus maritimus} being transported by helicopter, Churchill, Manitoba, Canada

Sarah Byatt / Trunk of tranquillised African elephant {Loxodonta africana} being kept open while GPS satellite collar is fitted, Kenya.

Karl Ammann / Translocating tranquillised African elephant {Loxodonta africana} Kenya

Sue Flood / Researcher examines male Polar bear teeth, incisors broken in fight. September 2001

Sue Flood / Researcher Ian Stirling examines tranquilised male Polar bear {Ursus maritimus} Hudson Bay, Canada. September 2001

Richard Du Toit / Putting water over tranquillised young African elephant to keep it cool during transport from Kruger NP, South Africa, to Mozambique {Loxodonta africana} 2002

Richard Du Toit / Tranquillised African elephant during transport from Kruger NP, South Africa. to Mozambique {Loxodonta africana} 2002