Sharp teeth. About the same as a mouse defending itself.
It protects itself
Gerbils' tails should be as long as the gerbil itself. If they don't, their balance will be disturbed.
the eye lashes protects the eye from on coming objects
a tiger salamander protects itself by poisoning its prey.
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
it bites its enemy
It doesn't.
by it's thorns
Armour and a sword
A bull shark protects itself by biting.