Animals that curl up like a ball !!!

 These animals curl up into tiny spheres.  They curl up to conserve heat, protection of vital organs and offers a quick defence mechanism.

Such animals are  ------

1.   Hedgehogs 

2.  Armadillos 

3.  Pangolins 

4.  Dormouse 

5.  Red Panda

6.  Slow Loris