[[File:Chaetomys subspinosus.gif|thumbnail|left|A Bristle-spined rat, ''Chaeotomys subspinosus''.]]
[[File:Chaetomys subspinosus.gif|thumbnail|left|A Bristle-spined rat, ''Chaeotomys subspinosus''.]]
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In South America there exists a porcupine by the name of the bristle-spined rat.
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In South America there exists a porcupine by the name of the bristle-spined rat. It is by far the most degenerated of the baramin, and provides an amazing example of striking change within a kind.