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.
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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.
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Thanks to our generous sponsors.
NHBS supports those working to understand, protect, and conserve the natural environment through offering wildlife, ecology and conservation books and equipment along with expert advice. NHBS stocks many of the Mammal Society’s publications, and sponsors the Mammal Champions Awards.
Located in the heart of the beautiful Cotswolds, Wildcare supports the ecological sector by providing the sale, hire and repair of a huge range of monitoring and estate management equipment.
Wildlife Acoustics creates the world's leading bio-acoustic monitoring tools, specially designed to help scientists and wildlife surveyors make impactful discoveries and collect vital data.
Headline sponsors of our Annual Conference for the past 3 years, RSK Biocensus offers a range of ecological services, survey expertise and pragmatic advice founded on expert knowledge of wildlife ecology, legislation and policy.
Learn with our on-demand learning library
Missed one of our live webinars? Access expert-led sessions anytime, anywhere.
Join the Local Groups Network
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.
Discover the Local Groups Network
Our local groups support a growing movement of mammal enthusiasts across the British Isles and Ireland. Discover a group near you and join alongside like-minded individuals who are dedicated to safeguarding mammals.
Enter Mammal Photographer of the Year
Upload your photos or artworks by the 31st January to be in with a chance to win.
Nominate a Mammal Champion 2026
Nominate someone working to ensure a brighter future for mammals.
Join your local mammal group
A growing movement of mammal enthusiasts across Britain.
