[R-sig-Geo] plot.circular - color by attribute?

[Duff, Andrew A (DFW)]

Hi List - I am looking for a way to color a circular plot of aspect values by attribute using the circular package.  What I have below is the circular plot for all of the data which is pretty strait forward but I would like to make a legend and color the points by animal ID to look for patterns.  Does anybody have any suggestions?

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