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Mammals on Roads 2018

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The drive to survey Britain’s mammals: roadkill sightings can help conservation efforts

This summer we are calling on the public to record sightings of mammals, dead or alive, whilst driving along Britain’s road network as part of our Mammals on Roads 2018 survey. The information will help to spot changing trends in populations and identify where conservation action is needed most.

According to a recent report by the Mammal Society, compiled with our help, one in five wild mammal species in Britain is at risk of extinction. But getting an idea of the size of populations and how numbers are changing remains difficult.

David Wembridge, our Surveys Officer explains: “At the moment, a lot of what we know is still a ‘best guess’ and what we really need are good records of mammals and of all sorts of species, more generally. Better estimates of numbers will help us understand our wildlife and the ‘natural health’ of the nation.”

The survey runs from Sunday 1 July through to Sunday 30 September. We’re asking families, car-sharing commuters or anyone on Britain’s roads, to record sightings of mammals and submit the records online or with the Mammals on Roads app (available for free from the App Store or Google Play). Alternatively, a printed survey pack can be requested by emailing

The survey, along with others we run, plays a vital role in the ongoing conservation of British wildlife. Previous findings revealed the shocking decline in hedgehog numbers, which led to the launch of the nationwide campaign Hedgehog Street (run with the British Hedgehog Preservation Society), which now has over 50,000 volunteers committed to helping save hedgehogs.

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