depends on the mammal, different mammals do different things
An ostrich will peck or bite the mammal or human or thing to defend it's self to warn the animal.
a dingo defend them self by the claws
they use there claws and wings and beak to defend their self
A wolf defend Him self by showing their Teeth's and their anger in his or her face.
it can defend by hes body
logger head turtles defend there self by atakking there enermies
they defend him self by its torns by cammoflauge
it protects its self !
fight
how do black caiman defend there self
it defends its self with its saw
it scratches