Mark Carwardine / Poacher arrested by Siberian tiger anti-poaching patrol (with secret police for extra protection), 600 miles north of Vladivostok, Primorsky, Russian Far East, October 2005

Mark Carwardine / Illegal logging camp found by Siberian tiger anti-poaching patrol, 600 miles north of Vladivostok, Primorsky, Russian Far East, October 2005

Mark Carwardine / Siberian tiger anti-poaching patrol (with secret police for extra protection), 600 miles north of Vladivostok, Primorsky, Russian Far East, October 2005

Mark Carwardine / Poacher arrested by Siberian tiger anti-poaching patrol (with secret police for extra protection), 600 miles north of Vladivostok, Primorsky, Russian Far East, October 2005

Mark Carwardine / Illegal logging camp found by Siberian tiger anti-poaching patrol, 600 miles north of Vladivostok, Primorsky, Russian Far East, October 2005

Mark Carwardine / Poacher arrested by Siberian tiger anti-poaching patrol (with secret police for extra protection), 600 miles north of Vladivostok, Primorsky, Russian Far East, October 2005

Mark Carwardine / Aerial view of young Northern white rhinoceros {Ceratotherium simum cottoni} taken from anti-poaching aircraft in 1989, Garamba NP, Dem Rep Congo.

Mark Carwardine / Aerial view of Northern white rhinoceros {Ceratotherium simum cottoni} taken from anti-poaching aircraft in 1989, Garamba NP, Dem Rep Congo.

Mark Carwardine / Anti-poaching patrol guard with gun, Alaungdaw Kathapa National Park, north-western Burma (Myanmar)

Mark Carwardine / Close up of Indian elephant eye (Elephas maximus), captive used by anti-poaching patrol, Alaungdaw Kathapa National Park, Burma (Myanmar)

Mark Carwardine / Anti-poaching patrol training at park headquarters, Alaungdaw Kathapa National Park, north-western Burma (Myanmar)

Mark Carwardine / Anti-poaching patrol guard with gun, Alaungdaw Kathapa National Park, north-western Burma (Myanmar)

Mark Carwardine / Indian elephant (Elephas maximus) captive used by anti-poaching patrol wih ranger, Alaungdaw Kathapa National Park, Burma (Myanmar)

Mark Carwardine / Indian elephant (Elephas mamixmus) bring ridden by mahout with foot visible, captive used by anti-poaching patrol, Alaungdaw Kathapa National Park, Burma (Myanmar)

Mark Carwardine / Guards on anti-poaching patrol at night, Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Guards on anti-poaching patrol at night, Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Close up of Indian elephant eye (Elephas maximus), captive animal used by anti-poaching patrols, Alaungdaw Kathapa National Park, north-west Burma (Myanmar)

Mark Carwardine / Guard on anti-poaching patrol in Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Guard on anti-poaching patrol drinking water from stream, Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Guard on anti-poaching patrol crossing river, Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Guard on anti-poaching patrol using GPS to navigate, Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Guard on anti-poaching patrol sitting on hammock set up for overnight camp, Preah Monivong Bokor National Park, Elephant Mountains, south-western Cambodia (formerly Kampuchea)

Mark Carwardine / Anti-poaching patrol training at park headquarters, Alaungdaw Kathapa National Park, north-western Burma (Myanmar)

Christophe Courteau / West African giraffe {Giraffa camelopardis peralta} poached by local people. Sahel, Niger. Anti-poaching unit investigates carcass; meat will be donated to villagers

Ann & Steve Toon / Fox hounds Chico and Jetta used in Kruger anti-poaching patrols to track down poachers, Kruger National Park, South Africa, June 2012. Editorial use only

Ann & Steve Toon / Anti-poaching unit on patrol in the bush, l-r Eric Moletshe, Michael Duplessis, Louis Ngubene, Abre Marais, Protrack anti-poaching unit, Hoedspruit, Limpopo, South Africa, June 2012. Editorial use onl...

Ann & Steve Toon / South African church with save the rhino anti-poaching slogan on electronic advertising billboard, Klerksdorp, North west province, South Africa, June 2012. Editorial use only

Ann & Steve Toon / Anti-poaching unit on patrol in the bush, l-r Mshiyeni Ntuli, Sibongiseni Kunene, Sibusiso Mdluli, Ezemvelo KZN Wildlife, iMfolozi game reserve, KwaZulu-Natal, South Africa, June 2012. Editorial use o...

Ann & Steve Toon / Anti-poaching unit on patrol in the bush, l-r Sibongiseni Kunene, Mshiyeni Ntuli, Sibusiso Mdluli, Ezemvelo KZN Wildlife, iMfolozi game reserve, KwaZulu-Natal, South Africa, June 2012. Editorial use o...

Ann & Steve Toon / Anti-poaching unit on patrol in the bush, l-r Mshiyeni Ntuli, Sibongiseni Kunene, Sibusiso Mdluli, Ezemvelo KZN Wildlife, iMfolozi game reserve, KwaZulu-Natal, South Africa, June 2012. Editorial use o...

Ann & Steve Toon / Anti-poaching unit on patrol in the bush, l-r Abre Marais, Eric Moletshe, Protrack anti-poaching unit, Hoedspruit, South Africa, June 2012. Editorial use only

Ann & Steve Toon / Anti-poaching unit on patrol in the bush, l-rSibusiso Mdluli, Sibongiseni Kunene, Ezemvelo KZN Wildlife, iMfolozi game reserve, KwaZulu-Natal, South Africa, June 2012. Editorial use only

Ann & Steve Toon / Anti-poaching unit on patrol in the bush, led by Sibongiseni Kunene, Ezemvelo KZN Wildlife, iMfolozi game reserve, KwaZulu-Natal, South Africa, June 2012. Editorial use only

Suzi Eszterhas / Chimpanzee (Pan troglodytes) snares recovered by anti-poaching team, western Uganda

Richard Du Toit / White Rhinoceros (Ceratotherium simum) with horns removed as anti-poaching measure, Rietvlei Nature Reserve, Gauteng, South Africa

Richard Du Toit / Two White rhinoceros (Ceratotherium simum) both dehorned as anti poaching measure, Gauteng, South Africa, April

JEFF FOOTT / Men in the Anti-poaching patrol protecting the Indian / Asian rhinoceros (Rhinoceros unicornis) in Chitwan NP, Nepal, 2003

Suzi Eszterhas / Mara Conservancy Rangers (Anti-poaching unit) removing snares from bushes, Masai Mara Conservancy, Kenya, August 2006

Suzi Eszterhas / Mara Conservancy Rangers (Anti-poaching unit) removing snares from bushes, Masai Mara Conservancy, Kenya, August 2006

Suzi Eszterhas / Poacher apprehended by Mara Conservancy anti-poaching patrol rangers, caught with wildebeest and impala meat, Serengeti National Park, Tanzania, August 2006

Suzi Eszterhas / Anti-poaching patrol removing live snare from bushes, Masai Mara Conservancy, Kenya, August 2006

Suzi Eszterhas / Poachers apprehended by Mara Conservancy anti-poaching patrol rangers, Caught with wildebeest and impala meat, Serengeti National Park, Tanzania, August 2006

Suzi Eszterhas / Mara Conservancy Rangers on anti-poaching patrol, Masai Mara Conservancy, Kenya, August 2006

Suzi Eszterhas / Poachers apprehended by anti-poaching team during night ambush, poachers found with wildebeest and thomson's gazelle meat, Serengeti National Park, Tanzania, August 2007

Suzi Eszterhas / Poachers apprehended by anti-poaching team during night ambush, poachers found with wildebeest and thomson's gazelle meat, Serengeti National Park, Tanzania, August 2007

Suzi Eszterhas / Poachers apprehended by anti-poaching team during night ambush, poachers found with wildebeest and thomson's gazelle meat, Serengeti National Park, Tanzania, August 2007

Suzi Eszterhas / Poachers apprehended by anti-poaching team during night ambush, poachers found with wildebeest and thomson's gazelle meat, Serengeti National Park, Tanzania, August 2007

Stephen Belcher / Rhino protection unit officer holding wire snare that poachers use to trap rhinos, Way Kambas National Park, Sumatra, Indonesia

Jabruson / People working on vehicle for translocation of rescued Black rhinoceros (Diceros bicornis) from Tsavo NP to Nakuru NP as part of anti-poaching project, Kenya

Jabruson / Rescued Black rhinoceros (Diceros bicornis) translocation from Tsavo NP to Nakuru NP as part of anti-poaching project, Kenya

James Aldred / Members of the Wildlife Conservation Society anti-poaching patrol team with confiscated African forest elephant tusks, Dzanga-Sanga Bai, Bayanga, Central African Republic, 2003

James Aldred / Members of the Wildlife Conservation Society anti-poaching patrol team relaxing with their AK47 and rifle guns beside them, Dzanga-Sanga Bai, Bayanga, Central African Republic, 2003

Jabruson / Destruction of bamboo snare by Park ranger, protecting Mountain gorillas {Gorilla beringei} Virunga NP, Democratic Republic of Congo (formerly Zaire)

Jabruson / Camel anti-poaching unit on patrol, Meru NP, Kenya

Mark Payne-Gill / Game wardens on elephant, Anti rhino and tiger poaching patrol, Kaziranga NP, Assam.

Gerry Ellis / Mountain Gorilla (Gorilla gorilla beringei) protection, payment in exchange for snares has helped reduced poaching around Karisoke Research Center, Rwanda

Gerry Ellis / Dik Dik (Madoqua sp) being rescued from poacher's snare by anti-poaching patrol team members in the border areas of Tsavo

Gerry Ellis / African Elephant (Loxodonta africana) confiscated ivory, evidence and property section, US Fish and Wildlife Service forensic lab

Sebastian Kennerknecht / Anti-poaching commander with confiscated bushmeat from poacher, Kafue National Park, Zambia

Sebastian Kennerknecht / African Lion (Panthera leo) skin, along with snares used by poacher, confiscated by anti-poaching commander, Kafue National Park, Zambia

Sebastian Kennerknecht / Arrested poacher being questioned by anti-poaching commanders, Kafue National Park, Zambia

Sebastian Kennerknecht / Arrested poacher with confiscated bicycles and snares by anti-poaching team, Kafue National Park, Zambia

Sebastian Kennerknecht / African Lion (Panthera leo) skin, along with snares used by poacher, confiscated by anti-poaching commanders, Kafue National Park, Zambia

Sebastian Kennerknecht / African Lion (Panthera leo) biologist, Kim Young-Overton, with anti-poaching commanders who confiscated lion skin and snares used by poacher, Kafue National Park, Zambia

Sebastian Kennerknecht / Cheetah (Acinonyx jubatus) conservationist, Kim Young-Overton, talking with commanders about anti-poaching strategies, Kafue National Park, Zambia

Sebastian Kennerknecht / Park warden, Miriam Namushi, discussing anti-poaching strategies with her commander, Kafue National Park, Zambia

Sebastian Kennerknecht / Park warden, Miriam Namushi, discussing anti-poaching strategies with her commanders, Kafue National Park, Zambia

Sebastian Kennerknecht / Anti-poaching scout receiving supplies for deployment, Kafue National Park, Zambia

Sebastian Kennerknecht / Anti-poaching scouts receiving bullets before deployment, Kafue National Park, Zambia

Sebastian Kennerknecht / Anti-poaching scout deploying on patrol, Kafue National Park, Zambia

Sebastian Kennerknecht / Anti-poaching scouts eating breakfast before deployment, Kafue National Park, Zambia

Sebastian Kennerknecht / Anti-poaching scout checking rifle before deployment, Kafue National Park, Zambia

Sebastian Kennerknecht / Anti-poaching scouts getting gear ready for deployment, Kafue National Park, Zambia

Sebastian Kennerknecht / Park scout, Victor Samalumo, in anti-poaching patrol with confiscated snares, Kafue National Park, Zambia

Sebastian Kennerknecht / Anti-poaching snare removal team member, Godfrey Nyesiga, noting location of illegally cut wood, Kibale National Park, western Uganda

Sebastian Kennerknecht / Anti-poaching snare removal team members, John Okwilo and Godfrey Nyesiga, noting animal sign in rainforest, Kibale National Park, western Uganda

Sebastian Kennerknecht / Anti-poaching snare removal team member, Godfrey Nyesiga, photographing illegally set neck snare for evidence, Kibale National Park, western Uganda

Sebastian Kennerknecht / Anti-poaching snare removal team member, Godfrey Nyesiga, photographing stump of illegally cut wood for evidence, Kibale National Park, western Uganda

Pete Oxford / Confiscated and decommissioned poacher's rifles at park headquarters, Odzala-Kokoua National Park, Democratic Republic of the Congo

Stephen Belcher / Rhino protection unit personnel patrolling in Way Kambas National Park, Sumatra, Indonesia

Stephen Belcher / Rhino protection unit personnel patrolling in Way Kambas National Park, Sumatra, Indonesia

Stephen Belcher / Rhino protection unit personnel patrolling in Way Kambas National Park, Sumatra, Indonesia

Stephen Belcher / Rhino protection unit personnel patrolling in Way Kambas National Park, Sumatra, Indonesia

Stephen Belcher / Rhino protection unit personnel patrolling in Way Kambas National Park, Sumatra, Indonesia

Stephen Belcher / Rhino protection unit personnel patrolling in Way Kambas National Park, Sumatra, Indonesia

Stephen Belcher / Rhino protection unit personnel patrolling in Way Kambas National Park, Sumatra, Indonesia

Stephen Belcher / Rhino protection unit personnel patrolling in Way Kambas National Park, Sumatra, Indonesia

Stephen Belcher / Rhino protection unit personnel entering Way Kambas National Park at the beginning of a patrol, Way Kambas National Park, Sumatra, Indonesia

Stephen Belcher / Rhino protection unit personnel entering Way Kambas National Park by boat, Way Kambas National Park, Sumatra, Indonesia

Stephen Belcher / Rhino protection unit personnel on vehicle entering Way Kambas National Park, Sumatra, Indonesia

Stephen Belcher / Rhino protection unit officer holding poached sumatran rhino skull and pointing to bullet hole, Way Kambas National Park, Sumatra, Indonesia

Suzi Eszterhas / Ian Craig of Lewa Wildlife Conservancy meeting with rangers, buildings constructed by Lewa Wildlife Conservancy, Kenya

Gerry Ellis / Anti-poaching patrol members finding a poachers camp, Parc National des Volcans, Rwanda

Gerry Ellis / Vatari, anti-poaching patrol member, showing animal snare, Parc National des Volcans, Rwanda

Jim Brandenburg / African Elephant (Loxodonta africana) graveyard with Park Rangers looking at skull, Namibia

Jim Brandenburg / Senior warden Ted Goss of Department of Wildlife and Conservation, Rhinoceros Anti-poaching Unit, with his rangers many of whom are former poachers, Kenya