A pangolin will roll up into a ball-like shape to protect itself

For example in this case we are taking a pangolin as an animal that can protect itself from danger. A pangolin will roll up into a ball like shape to protect itself as its behaviour besides its has a hard scales as its special characteristics to protect itself. Animals have different physical characteristics that protect themselves from their enemies. These include:
a) a hard shell
b) thick skin
c) dry, hard scales
d) horns
e) spines
f) sharp claws
g) body shape or colour that matches the surroundings
h) good eyesight and hearing