Red List for Britain’s Mammals

One quarter of native mammals now at risk of extinction in Britain.

Read our latest press release

In 2020 we published the first ever IUCN approved Red List of Britain’s mammals and found that 1 in 4 British mammals are now at risk of extinction. We will continue to monitor and update the Red List.

In order to keep the Red List accurate and up-to-date your records are really important. You can record your sightings by using our Mammal Mapper App, it’s easy to download from your app store and you just need to register with an email to get started. For more information on how to use the app and how we use your records click here.

If you don’t have a smart phone, you can use our online recording form.

Infographics

Click here to download an infographic for Britain

Click here to download an infographic for England

Click here to download an infographic for Scotland

Click here to download an infographic for Wales

Click here for the complete Red List report PDF and rationale for the classifications 

Click here to download the spreadsheet .xlsx version

Mathews F, and Harrower C. (2020). IUCN – compliant Red List for Britain’s Terrestrial Mammals. Assessment by the Mammal Society under contract to Natural England, Natural Resources Wales and Scottish Natural Heritage. Natural England, Peterborough ISBN 978-1-78354-485-1
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