Ashley Cooper / Rare native White clawed crayfish (Austropotamobius pallipes) killed by an illegal chemical spill on the river Mint near Kendal Cumbria UK. June 2004

Ashley Cooper / Rare native White clawed crayfish (Austropotamobius pallipes) killed by an illegal chemical spill on the river Mint near Kendal Cumbria UK. June 2004

Ashley Cooper / Rare native White clawed crayfish (Austropotamobius pallipes) killed by an illegal chemical spill on the river Mint near Kendal Cumbria UK. June 2004

Jen Guyton / White-backed vultures (Gyps africanus) pick at the drying and deflated skin of an elephant carcass (Loxodonta africana) while spotted hyenas (Crocuta crocuta) look on, Laikipia Plateau, Kenya. The hye...

Jen Guyton / Rüppell's griffon vultures (Gyps rueppelli) and white-backed vultures (Gyps africanus) feed on an elephant carcass (Loxodonta africana), Laikipia Plateau, Kenya. The elephant was killed by government...

Jen Guyton / White-backed vultures (Gyps africanus) pick at an elephant carcass (Loxodonta africana) while a spotted hyena (Crocuta crocuta) looks on, Laikipia Plateau, Kenya. The hyena is tinted a reddish-brown f...

Jen Guyton / Spotted hyenas (Crocuta crocuta), Rüppell's griffon vultures (Gyps rueppelli) and white-backed vultures (Gyps africanus) at the carcass of an elephant (Loxodonta africana), as the night and day shifts...

Jen Guyton / Rüppell's griffon vulture (Gyps rueppelli) and spotted hyenas (Crocuta crocuta) pick at an elephant (Loxodonta africana) carcass at dawn, Laikipia Plateau, Kenya. This elephant was killed by governme...

Jen Guyton / A spotted hyena (Crocuta crocuta) chases a flock of white-backed vultures (Gyps africanus) away from an elephant carcass (Loxodonta africana), Laikipia Plateau, Kenya. The hyenas are tinted a reddish...

Jen Guyton / White-backed vultures (Gyps africanus) and spotted hyenas (Crocuta crocuta) pick at the drying and deflated skin of an elephant carcass (Loxodonta africana), Laikipia Plateau, Kenya. The hyenas are ti...

Frederique Olivier / Southern giant petrel (Macronectes giganteus) resting along the edge of the shore, lacking alertness, potentially due to secondary poisoning from pest eradication, Macquarie Island, Sub-Antarctic Aust...

Frederique Olivier / Southern giant petrel (Macronectes giganteus) resting in grass, with poisoning caused by secondary ingestion of brodifacoum, used for pest eradication, Macquarie Island, Sub-Antarctic Australia.

Daniel Heuclin / Mentawai man preparing poison for arrows, Siberut Island, Sumatra. July 2016.

Daniel Heuclin / Mentawai medicine man collecting plants to make poison for arrows. Siberut Island, Sumatra. July 2016.

Daniel Heuclin / Mentawai medicine man collecting plants to make poison for arrows. Siberut Island, Sumatra. July 2016.

Daniel Heuclin / Mentawai man preparing poison for arrows, Siberut Island, Sumatra. July 2016.

Daniel Heuclin / Mentawai man preparing poison for arrows, Siberut Island, Sumatra. July 2016.

Daniel Heuclin / Mentawai man preparing poison for arrows, Siberut Island, Sumatra. July 2016.

Daniel Heuclin / Mentawai man preparing poison for arrows, Siberut Island, Sumatra. July 2016.

Paul D Stewart / Historical illustration of extinct Puri tribe from North Coast of South America. Mother and child, and man in hammock, with poison dart frog held over fire to collect its toxin, used for poison darts...

Enrique Lopez-Tapia / Small bird dead from sulphur poisoning, Dallol area, Lake Assale, Afar Region, Ethiopia, Africa. November 2014.

Enrique Lopez-Tapia / Small bird dead from sulphur poisoning, Dallol area, Lake Assale, Afar Region, Ethiopia, Africa. November 2014.

NPL / Young male African lion (Panthera leo) 'Alan' from Marsh pride, with head wrapped in jacket whilst KWS (Kenya Wildlife Service) vet triesto save him from poisoning. He had been poisoned after eating...

NPL / African lioness (Panthera leo) Bibi the oldest lion from the Marsh Pride, found dead from poisoning after eating carcass poisoned by local cattle herders, Masai Mara Game Reserve, Kenya. 7th December....

NPL / KWS (Kenya Wildlife Service) vet trying to save young male African lion (Panthera leo) 'Alan' from the Marsh pride, poisoned after eating carcass poisoned by local cattle herders, and subsequently at...

NPL / KWS (Kenya Wildlife Service) vet trying to save young male African lion (Panthera leo) 'Alan', which had been poisoned after eating carcass poisoned by local cattle herders, and subsequently attacked...

NPL / KWS (Kenya Wildlife Service) vet trying to save young male African lion (Panthera leo) 'Alan' from the Marsh pride, poisoned after eating carcass poisoned by local cattle herders, and subsequently...

NPL / Young male African lion (Panthera leo) 'Alan' from the Marsh pride, with head wrapped in jacket whilst KWS (Kenya Wildlife Service) vet tries to save him from poisoning after eating carcass poisoned...

Adrian Davies / Rhododendron (Rhododendron x superponticum) clearance via poisoning, this species is an invasive species, Snowdonia, north Wales, UK, June.

Adrian Davies / Rhododendron (Rhododendron x superponticum) clearance, new shoots emerging from poisoned stump. This species is an invasive species. Snowdonia, north Wales, UK, July.

Cyril Ruoso / Barn swallow (Hirundo rustica) lying dead on road, death possibly caused by insecticide poisoning, Picardy, France.

Tim Laman / Helicopter distributing rat poison, the beginning of a rat eradication program. Grytviken, South Georgia, February 2011.

Chris Gomersall / Project veterinarian for the Bombay Natural History Society, Dr Devojit Das, conducting a post-mortem examination on the corpse of an Oriental white-backed vulture (Gyps bengalensis) at the Vulture Co...

Chris Gomersall / Project veterinarian for the Bombay Natural History Society, Dr Devojit Das, conducting a post-mortem examination on the corpse of an Oriental white-backed vulture (Gyps bengalensis) at the Vulture Co...

Cyril Ruoso / Andrianome Vonjy Nirin, a Malagasy researcher studies impact of Lead Tree (Leucaena leucocephala) on the Ring-tail Lemur (Lemur catta). Plant is suspected of poisoning lemurs, Berenty Private Reserve,...

Cyril Ruoso / Ring-tailed Lemur (Lemur catta) mother and baby showing hair loss (alopecia) due to poisoning from Central American introduced Lead Tree (Leucaena leucocephala) vulnerable, Berenty Private Reserve, Ma...

Mark Hamblin / 2020VISION / Thrift / Sea pink (Armeria maritima) in flower, Pembrokeshire Coast National Park, Wales, UK, May. Did you know? It was once believed Thrift could cure lead poisoning.

Roland Seitre / Richard Stroud carrying out a post mortem on an American bald eagle (Haliaeetus leucocephalus) to discover cause of death at the National Fish and Wildlife Forensics Laboratory, Ashland, Oregon, USA

Roland Seitre / Richard Stroud carrying out a post mortem on an American bald eagle (Haliaeetus leucocephalus) to discover cause of death at the National Fish and Wildlife Forensics Laboratory, Ashland, Oregon, USA

Ingo Arndt / Brown Rat (Rattus norvegicus) trio found dead after baiting, South Georgia Heritage Trust Rat Eradication Project, Grytviken, South Georgia Island

Florian Möllers / Red fox (Vulpes vulpes) cub suffering from poisoning, Berlin, Germany, May 2006

Suzi Eszterhas / Mara Conservancy ranger uncovering poisoned bow and arrows belonging to poacher, Serengeti National Park, Tanzania

Suzi Eszterhas / Californian sealion {Zalophus californianus} being tested with an EEG for the effects of domoic acid poisoning on the brain, Marine Mammal Center, California, USA

Suzi Eszterhas / California Sea Lion (Zalophus californianus) in rehab center on EEG being tested for domoic acid poisoning from algal blooms, Marine Mammal Center, Marin county, California

Brian Lightfoot / Newly emerged Garden Tiger Moth (Arctia caja) malformed due to pesticide poisoning, Scotland, UK

Flip Nicklin / Bottlenose Dolphin (Tursiops truncatus) specimen with high levels of PCB and Mercury in its system held by physiologist Graham Worthy, Texas

Jean E. Roche / Ecologically friendly gun cartridges made with steel to prevent marshes from becoming contaminated by lead, Camargue, France

DAVID TIPLING / Mute Swan {Cygnus olor} landing in reedbed, Bulgaria. Note cricked neck typical of lead poisoning.

Norbert Wu / Simulated specimen collecting for the aquarium fish trade, demonstrating the use of cyanide to stun fish which kills coral reefs as a side effect, Philippines

John Cancalosi / Researchers sample blood from Mute swan {Cygnus olor} for lead poisoning. UK

Chien Lee / Pyrethrum (Chrysanthemum cinerariaefolium) flower with dead grasshopper that died after ingesting parts of the flower which contain a natural insecticide, Kibale National Reserve, Uganda

Cyril Ruoso / Andrianome Vonjy Nirin, a Malagasy researcher studies impact of Lead Tree (Leucaena leucocephala) on the Ring-tail Lemur (Lemur catta). Plant is suspected of poisoning lemurs, Berenty Private Reserve,...

Michael Quinton / Common Loon (Gavia immer) washed up dead on the shore possibly a victim of Mercury poisoning, Florida

Roland Seitre / Western corella (Cacatua pastinator) lying at roadside, paralysed after ingesting poison, Frankland, Western Australia.

Charlie Hamilton-James / Lappet-faced vulture (Torgos tracheliotos) tied up to tree after being treated for poisoning, with two dead Ruppell's vultures (Gyps rupellii) on the ground and staff from the Vulture Poisoning R...

Charlie Hamilton-James / Lappet-faced vulture (Torgos tracheliotos) carcass on fire, victim of poisoning, Ol Kinyei Conservancy, Masai Mara, Kenya, Africa.

Charlie Hamilton-James / Ranger starting bonfire to burn remains of dead Lappet-faced vulture (Torgos tracheliotos), a victim of poisoning, Ol Kinyei Conservancy, Masai Mara, Kenya, Africa. November, 2019.

Charlie Hamilton-James / People from a vulture poisoning response team treating a poisoned Lappet-faced vulture (Torgos tracheliotos) with atropine, Ol Kinyei Conservancy. Masai Mara, Kenya, Africa. November, 2019.

Charlie Hamilton-James / Two men from a vulture poisoning response team inspecting a poisoned Lappet-faced vulture (Torgos tracheliotos), Ol Kinyei Conservancy. Masai Mara, Kenya, Africa. November, 2019.

Charlie Hamilton-James / Ranger from vulture poisoning response team piling up carcasses of poisoned Ruppell's vultures (Gyps rupellii) before burning, Ol Kinyei Conservancy, Masai Mara, Kenya, Africa. November, 2019.

Charlie Hamilton-James / Staff from vulture poisoning response team piling up carcasses of poisoned Ruppell's vultures (Gyps rupellii) and Lappet-faced vultures (Torgos tracheliotos) before burning, Ol Kinyei Conservancy...

Charlie Hamilton-James / Ruppell's vultures (Gyps rupellii) victims of poisoning, tied to tree after rescue, with staff from vulture poisoning response team, Ol Kinyei Conservancy, Masai Mara, Kenya, Africa. November, 2...

Charlie Hamilton-James / Ruppell's vultures (Gyps rupellii) victims of poisoning, tied to tree after rescue, with staff from vulture poisoning response team, Ol Kinyei Conservancy, Masai Mara, Kenya, Africa. November, 20...

Charlie Hamilton-James / Ruppell's vultures (Gyps rupellii) victims of poisoning, tied to tree after rescue, with rangers and staff from vulture poisoning response team, Ol Kinyei Conservancy, Masai Mara, Kenya, Africa....

Charlie Hamilton-James / Ruppell's vultures (Gyps rupellii) victims of poisoning, tied to tree after rescue, with rangers and staff from vulture poisoning response team, Ol Kinyei Conservancy, Masai Mara, Kenya, Africa....

Charlie Hamilton-James / Two Spotted hyenas (Crocuta crocuta) feeding on Elephant (Loxodonta africana) carcass, possibly killed by poison arrow, Masai Mara, Kenya, Africa.

Charlie Hamilton-James / Rangers from Mara Conservancy and Anne K Taylor Fund removing tusks from juvenile Elephant (Loxodonta africana) carcass, possibly poisoned. Tusks are removed to prevent them being illegally taken, Mas...

Charlie Hamilton-James / Two rangers from the Mara Conservancy and Anne K Taylor Fund holding bloody Elephant (Loxodonta africana) tusk removed from juvenile Elephant that was killed by possible poisoning, Masai Mara, reserve...

Charlie Hamilton-James / Two Kenya WIldlife Service (KWS) rangers removing carcass of young male Lion (Panthera leo) after being looked at by vet, the lion was poisoned four days previously by Maasai herdsmen, Masai Mara, Ken...

Charlie Hamilton-James / Lion (Panthera leo) male, juvenile, lying on grass dying after being poisoned four days earlier by Maasai herdsmen, with a Spotted hyena (Crocuta crocuta) waiting in the background, Masai Mara, Kenya,...

Charlie Hamilton-James / Vulture expert holding a dead White backed vulture (Gyps africanus) killed by poison left by Maasai herdsmen, Masai Mara, Kenya, Africa. December, 2015.

Charlie Hamilton-James / Vulture expert holding a dead White backed vulture (Gyps africanus) killed by poison left by Maasai herdsmen, Masai Mara, Kenya, Africa. December, 2015.

Charlie Hamilton-James / Vulture expert removing the body of a poisoned White backed vulture (Gyps africanus) from a tree. The vulture died after eating either a dead cow laced with poison or the stomach contents of a Lion th...

Charlie Hamilton-James / Conservationist holding dead Speckled pigeon (Columba guinea) poisoned by poachers, Bunyala Rice scheme, Western Kenya, Africa.

Charlie Hamilton-James / Person holding Red billed quelea (Quelea quelea) poisoned by illegal pesticide spraying, to protect crops from feeding birds, Bunyala Rice Scheme, Kenya, Africa.

Charlie Hamilton-James / Conservationist holding poisoned Red billed quelea (Quelea quelea) surrounded by other dead birds, victims of illegal pesticide spraying, to protect crops from feeding birds, Bunyala Rice Scheme, Keny...

Charlie Hamilton-James / Conservationists holding dead birds, Water thicknee (Burhinus vermiculatus) and Ringed plover (Charadrius hiaticula) in foreground and Grey heron (Ardea cinerea) in background, all victims of illegal...

Charlie Hamilton-James / Conservationist holding Water thicknee / Water dikkop (Burhinus vermiculatus) poisoned by illegal pesticide spraying, to protect crops from feeding birds, Bunyala Rice Scheme, Kenya, Africa. November,...

Charlie Hamilton-James / Various species of birds poisoned by illegal aerial spraying of pesticides, Fan-tailed widowbirds (Euplectes axillaris), an endemic species, Wood sandpipers (Tringa glareola), Red-headed quelea (Quele...

Charlie Hamilton-James / Conservationists holding Grey heron (Ardea cinerea), juvenile, foreground, Ringed plover (Charadrius hiaticula) and Water thicknee (Burhinus vermiculatus) all victims of illegal aerial spraying of pes...

Charlie Hamilton-James / Conservationist holding Water thicknee / Water dikkop (Burhinus vermiculatus) poisoned by illegal pesticide spraying, to protect crops from feeding birds, Bunyala Rice Scheme, Kenya, Africa. November,...

Charlie Hamilton-James / Person holding poisoned snails used to bait African openbill storks which are then sold for human consumption, Bunyala Rice Scheme, Kenya, Africa. November, 2015.

Charlie Hamilton-James / African openbill stork (Anastomus lamelligerus) on the ground, possibly with legs tied and wings clipped to stop escape, used as decoy to attract other storks to poisoned bait, the line of snails on t...

Charlie Hamilton-James / Conservationists burning dead African mourning doves (Streptopelia decipiens) poisoned by illegal pesticide spraying, to protect crops from feeding birds, Bunyala Rice Scheme, Kenya, Africa. November,...

Charlie Hamilton-James / Person holding Village weaver / Black-headed weaver (Ploceus cucullatus) juvenile, poisoned by illegal pesticide spraying, to protect crops from feeding birds, Kenya, Africa. November, 2015.

Charlie Hamilton-James / Person holding Village weaver / Black-headed weaver (Ploceus cucullatus) juvenile, poisoned by illegal pesticide spraying, to protect crops from feeding birds, Kenya, Africa. November, 2015.

Charlie Hamilton-James / Conservationist holding two dead African mourning doves (Streptopelia decipiens) poisoned for human consumption, Bunyala Rice scheme, Western Kenya, Africa. November, 2015.

Charlie Hamilton-James / Conservationist holding two dead African mourning doves (Streptopelia decipiens) with a pile of more dead birds collected in a rice paddy, poisoned for human consumption, Bunyala Rice scheme, Western...

Charlie Hamilton-James / Conservationist holding dead African mourning doves (Streptopelia decipiens) and Speckled pigeon (Columba guinea) killed by poison and collected from the poisoning site, Bunyala Rice scheme, Western K...

Charlie Hamilton-James / Conservationist holding dead African mourning doves (Streptopelia decipiens) killed by poison and collected from the poisoning site, Bunyala Rice scheme, Western Kenya, Africa. November, 2015.

Charlie Hamilton-James / Conservationist holding dead African mourning doves (Streptopelia decipiens) killed by poison and collected from the poisoning site, Bunyala Rice scheme, Western Kenya, Africa. November, 2015.

Charlie Hamilton-James / Ranger from Big Life Foundation guarding the rotting carcass of a female Elephant (Loxodonta africana) killed by poisoning, Amboseli National Park, Kenya, Africa. November, 2015.

Charlie Hamilton-James / Rotting carcass of a female Elephant (Loxodonta africana) killed by poisoning, Amboseli National Park, Kenya, Africa. November, 2015.

Charlie Hamilton-James / Person holding ear of dead female Elephant (Loxodonta africana) poisoned by local farmers, Amboseli National Park, Kenya, Africa. November, 2015.

Charlie Hamilton-James / Local schoolchildren standing around dead female Elephant (Loxodonta africana), probably killed by poisoning by local farmers, Amboseli National Park, Kenya, Africa. November, 2015.

Charlie Hamilton-James / Local schoolchildren standing around and jumping on dead female Elephant (Loxodonta africana), probably killed by poisoning by local farmers, Amboseli National Park, Kenya, Africa. November, 2015.