Polecats were once a common and widespread native mammal present across the British Isles. Vincent Wildlife Trust has monitored its recovery since the 1990s using National Surveys that rely on the public to submit records of polecat signs and sightings. Science-led

The greater white-toothed Shrew (GWTS) has now been identified in Sunderland and is known to be an invasive species in Ireland, at the detriment of the pygmy shrew (a native species in the British Isles). Science-led