Mammal Mapper "is a free app where you can record signs and sightings of mammals in the UK. Mammals can be recorded along a route whilst you’re walking, running, cycling or even a passenger in a car, or as one-off sightings, for example a hedgehog in your garden."

Mammal Society "a UK based charity devoted to the study and conservation of the mammals of the British Isles. We aim to raise awareness of the issues mammals face and share our scientific research so they can be best protected in the future. Although a small team we are mighty, and are dedicated to helping mammals across the nation."