Scientific background

The Predatory Bird Monitoring Scheme (PBMS) is a long-term, national monitoring scheme that quantifies the concentrations of contaminants in the livers and eggs of selected species of predatory and fish-eating birds in Britain.

We monitor the levels of contaminants to determine how and why they vary between species and regions, how they are changing over time, and the effects that they may have on individual birds and on their populations. Dead bird

To find out more please navigate to the PBMS website.

Get involved - how can you help?

If you find a dead bird of prey request a submission pack.

Would you like to provide us with feedback? Email us on




Natural Environment Research Council
Natural England
Campaign for Responsible Rodenticide Use

Principal Investigator