Why Do Squirrels Gnaw on Shed Antlers?
Squirrels and other rodents including mice, rats, voles and porcupines often snack on shed antlers. There are several explanations for the gnawing.
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For our shed hunters:
- Thread starter scn
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deerassociation.com
I put a lot of sheds and dead heads I find in my barn. Most every brow tine is gone. They love to sit and gnaw on the brow tines first . Good article.
Good info
Had a skull hanging in a tree one time and the dang tree rats chewed on the antler. 
