Pangolins are solitary, elusive and shy creatures native to Africa and Asia - there is nothing else like them on Earth. However, they're facing extinction because their keratin scales are traded by the tonne in many countries. Discover more with Museum Reseacher Dr Natalie Cooper, Professor Ray Jansen from Tshwane University of Technology, Cambridge University PhD candidate Charles Emogor and Dr Karin Lourens of Johannesbury Wildlife Veterinary Hospital. To learn more visit nhm.ac.uk/wildcrimes