There is atleast one animal that uses gears as part of their locomotion: http://www.npr.org/2013/09/13/219739500/living-gears-help-this-bug-jump http://www.npr.

There is atleast one animal that uses gears as part of their locomotion: http://www.npr.org/2013/09/13/219739500/living-gears-help-this-bug-jump http://www.npr.org/2013/09/13/219739500/living-gears-help-th...