> The flesh beards are normally wiggly, but stiffen when they're scared and get really wiggly when angry.  So their flexibility-stiffness varies depending on their current state of mind.  They do also express emotion with mouth like humans do.
> 
> The skin Coloration of them can vary, for instance the back may have different coloration from the hide and the face tends to be of a lighter pigmentation.
> 
> There's multiple ethnic palettes of them.  I have thought of a few.  There is pale pigmentation, a silvery grey pigmentation, a tan pigmentation, rusty/reddish pigmentation and charcoal pigmentation.
> 
> The color of their compound eyes also can vary.  You have pearl white, jet black and smoky grey along with cobalt blue.  

All sounds really interesting. If I were to create the faction I have planned then I would happily use them.