Quote Originally Posted by CritterMom View Post
the gunk that develops when a lot of tree nuts that have green hulls begin to decay. Having cleaned some hickory nuts I can tell you it is almost like tar - it sticks. And if she tries to clean it off, it would be more likely that she would end up pulling the hair out rather than cleaning the hairs off.
Ahh, this could be! I know there is a huge tree where all the squirrels bury their nuts so perhaps it's just a byproduct of that. I didn't realize they could be sticky so that very well could indeed be it. Thank you for the info!