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Suspected wildlife poisoning

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What to do if you think an animal has been poisoned or is at risk of being poisoned by pesticide.

If you find an animal, wild or domestic, that may have been poisoned or have evidence of pesticide abuse, contact the Wildlife Incident Investigation Scheme (WIIS).

Spotting the signs of poisoning

The following signs indicate that poisoning may have happened:

  • dead animals are cut open and staked out - these may be contain poison
  • several dead birds or animals close together
  • creatures which appear to have died suddenly for no obvious reason
  • eggs in unusual places, possibly with an ink mark.

Reporting an incident

To report the suspected poisoning of wildlife or pets call:

Freephone 0800 321 600 or email:

About Wildlife Incident Investigation Scheme

This Scheme investigates deaths or injuries of wildlife, including beneficial insects and some pets, where there is strong evidence that pesticide poisoning may have happened. It also monitors the registration of pesticides and the evidence gathered may be used to enforce legislation on the use of:

  • pesticides 
  • the protection of humans
  • food
  • the environment
  • animals.

Information and advice on reporting an incident is available from the Food and Environment Research Agency’s Wildlife Incident Unit (external link).

More information about WIIS is available from the Chemical Regulation Directorate (Health & Safety Executive) (external link).


The results of the enquiries made under the Wildlife Incident Investigation Scheme can be found on the Health and Safety Executive website (external link).

The Partnership for Action against Wildlife crime (PAW) publishes maps showing bird of prey poisoning incidents in England and Wales. The maps and supporting information are published on the Department for Environment, Food and Rural Affairs website (external link).

Document Download

PDF Document (MFS)
Raptors and rat poison (File size: 72KB)
PDF Document (MFS)
Watch out for our wildlife (File size: 164KB)