One in four UK mammals are threatened with extinction.
The British Isles and Ireland are home to many species of mammal, from the common shrew to grey seal. We work toward a future where populations thrive as part of healthy and diverse ecosystems benefiting people and nature.
Current research View all
Discover British mammal species
With approximately 90 species spanning across land, air, and sea, there are many fascinating creatures to learn about. From iconic land-dwellers like red foxes and badgers to majestic marine mammals like seals and dolphins, the British Isles are home to a rich tapestry of mammals.
News and stories View all
Become a Youth Ambassador
Our Ambassador Programme is your gateway to the world of mammal conservation.
Join your local mammal group
A growing movement of mammal enthusiasts across Britain.
From the world of mammal conservation
Stay informed about the latest mammal news, tips and events in our newsletter.
Join our community of Local Mammal Groups
Our local groups support a growing movement of mammal enthusiasts across the British Isles and Ireland. Local mammal groups bring together those with a shared enthusiasm for the local environment and the mammals within it. They work to share knowledge, raise awareness, survey, and monitor local mammals. They also provide local expertise and training in field skills, hold talks and events, and support the work of the Mammal Society.
Discover a group near you and join alongside like-minded individuals who are dedicated to safeguarding British mammals.
