This is either a deer metacarpal or metatarsal bone.
Please consider adding this spotting to the Identifying Animals Through Osteology Mission: http://www.projectnoah.org/missions/8475425
Moved to mammals; "other" is reserved for those organisms (or signs of organisms) that don't fit the existing PN categories. Examples of "other" would be starfish, snails, worms and others.
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