National Mammal Week
National Mammal Week is a celebration of Britain’s mammals and an opportunity to raise awareness of the challenges they face, from the tiny pygmy shrew to the giant fin whale.
About Mammal Week 2025
Our theme for 2025 will be available at the beginning of the next year.
Ways to get involved
Find out how you can get involved in National Mammal Week this 2025.
Events calendar
Check out the events that are happening all across Britain for National Mammal Week.
Big Mammal Challenge
Become a citizen scientist and contribute to gathering mammal records across the week.
Resource pack
Get ideas for what events to host and access National Mammal Week graphics and logos.