Mammals on Roads

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To date, over half a million kilometres of road have been surveyed through Mammals on Roads. Findings from your annual sightings have already alerted us to the drastic decline in hedgehogs and were the impetus for our hedgehog projects and surveys.

See an update of what we found out in last year’s survey

How does the survey work?

We want to know about your route and what you see along the way, dead and alive. You will need to complete the survey on a dedicated car journey rather than ad-hoc sightings.

We will give you a mammal guide and instructions, and you can take part just once, or multiple times to help us get a more accurate results.

Each car journey must be 20 miles or more in one day- perfect for those summer holiday getaways! You will be asked to look out for mammals on single carriageways only, for safety reasons, and outside of built-up areas. However you can stop and start your mammal spotting as you change road types. Read more FAQs.

Why not get the whole family involved in helping British mammals?

Take part now

The main survey period is in July, August and September each year, but sightings throughout the year are useful and help us to understand how wildlife is changing.

Please take part online or by downloading the free smartphone app from the App Store or Google Play (search for ‘Mammals on Roads’).

You can also

Findings from previous years

Thank you to everyone has contributed to Mammals on Roads over the last 14 years, and we hope you can take part again this year.

Take a look at what we have found out and what this means for the conservation of British mammals in the links below.

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