Pangolins are the only mammals in the world that are covered in scales…….????
The pangolin’s large scales are actually made of keratin, the same material of which fingernails, rhino horns and bird talons are made. The scales, which make up around 20% of the pangolin’s weight, are very hard. When threatened by predators, pangolins roll themselves into a tight ball and the scales act like impenetrable armour. Pangolins can also lash out with their tails, using the scales as sharp-edged weapons which can easily cut through the predator’s skin.