Biting and scratching like cats do.They are so cute squirrels.
It protects itself
Flaps of featherless skin between their front and back legs helps it fly better and faster
they spray their ink sack
a tiger salamander protects itself by poisoning its prey.
the eye lashes protects the eye from on coming objects
it protects itself by being on a high tree or being in a herd with its friends and relatives.
a falcon protects itself with its claws and beak.
what do you mean a puffing
by it's thorns
it bites its enemy
It doesn't.
Armour and a sword