Who we are
We’ve been standing up for wildlife for over 40 years. With the help of scientists, conservationists, landowners, and the general public, we’re working to protect our delicately balanced ecosystem by bringing our most threatened species back from the brink.
Where we work
Funded by our generous supporters, our grant programmes support the very best scientific researchers and wildlife experts out in the field. The evidence they unearth guides worldwide conservation. Browse the map below to discover the amazing wildlife we’re saving from extinction.
Returning dormice to the wild
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Latest news from PTES
One very lucky hazel dormouse
Jen Bousfield has been monitoring dormice in five woodlands in Devon since 2010. Earlier this year she had a close encounter with a dormouse that she wasn’t expecting: One evening at the beginning of April I received a telephone call. It was a friend from our Orchard Group who lives about half a mile away, …
Bringing hazel dormice back to Bradgate Park: a community-led reintroduction project
PTES, volunteers, and conservation partners unite to restore a cherished native species in Leicestershire In March 2025, excitement rippled through the Bradgate Park Trust volunteer team. A new species reintroduction was on the horizon — but which one? Red squirrels? Pine martens? In April, the mystery was unveiled: hazel dormice were to make a long-awaited …
Hazel dormouse Sussex Survey Project 2025
People’s Trust for Endangered Species (PTES) and NatureSpace are collaborating to develop a hazel dormouse risk zone map for Sussex. This map will provide vital information on dormouse presence or absence across the county, an essential factor for guiding sustainable development and conservation efforts. Sussex has been selected as the pilot area because it lies …