Some Mammals have Armor on there Bodies.

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 a pangolin  has  armor on its body to protect its self.it  can also roll around to get away from Predators,and catch its prey . The tongues of pangolins are extremely elongated and extend into the abdominal cavity. By convergent evolution, pangolins, the giant anteater, and the tube-lipped nectar bat all have tongues that are not attached to their hyoid bone and extend past their pharynx deep into the thorax.[4] This extension lies between the sternum and the trachea. Large pangolins can extend their tongues as much as 40 centimetres (16 in), with a diameter of only 0.5 centimetres Http://En.Wikipedia.Org/Wiki/Pangolin
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Photo used under Creative Commons from Wildlife Alliance