Edwin Giesbers / RF- Orang utan (Pongo pygmaeus) head portrait of female, Semenggoh Nature reserve, Sarawak, Borneo, Malaysia. Endangered. (This image may be licensed either as rights managed or royalty free.)

Edwin Giesbers / RF- Orang utan (Pongo pygmaeus) head portrait of dominant male and first orangutan in world to cataracts operated on with eyesight restored. Matang wildlife centre, Sarawak, Borneo, Malaysia, June 201...

Edwin Giesbers / RF- Orang utan baby (Pongo pygmaeus) head portrait, with fingers in mouth. Semenggoh Nature reserve, Sarawak, Borneo, Malaysia. Endangered. (This image may be licensed either as rights managed or roya...

Nick Garbutt / RF- Adult female Bengal Tiger (Panthera tigris tigris) Reshma (26th April 2009) last seen alive on 30th April, found dead on 6th May, Bandhavgarh National Park, India. Endangered species. (This image...

Andy Rouse / RF- Bengal tiger (Panthera tigris tigris) female, Machali, Ranthambore National Park, Rajasthan, India. Endangered species. (This image may be licensed either as rights managed or royalty free.)

Andy Rouse / RF- Asian elephant (Elaphus maximus) two young calves playing with trunks twisted, Minneria National Park, Sri Lanka. Endangered species. (This image may be licensed either as rights managed or royalt...

Tony Heald / RF- Long-Billed Vulture (Gyps indicus) juvenile flying. Bandhavgarh National Park, Madhya Pradesh, India. March. Endangered species. (This image may be licensed either as rights managed or royalty fre...

Nick Garbutt / RF- Orang-utan (Pongo pygmaeus) male in forest canopy. Danum Valley, Sabah, Borneo. Endangered species. (This image may be licensed either as rights managed or royalty free.)

Nick Garbutt / RF- Proboscis Monkey (Nasalis larvatus) adult male, feeding on mangroves. Bako National Park, Sarawak, Borneo. Endangered species. (This image may be licensed either as rights managed or royalty free....

Tony Heald / RF- Indian white backed vulture (Gyps bengalensis). Madhya Pradesh, India. 2007. Endangered species. (This image may be licensed either as rights managed or royalty free.)

Staffan Widstrand / RF- Tiger, young male head portrait (Panthera tigris), Bandhavgarh, India. (This image may be licensed either as rights managed or royalty free.)

Nick Garbutt / RF- Close up of curled tip of trunk of Indian elephant (Elephas maximus). India. Endangered species. (This image may be licensed either as rights managed or royalty free.)