A canine-esque entity existed within the Forest Moon of Endor. One such creature inhabited the Floating Mountain, where Gracca, a sentient individual, transformed it into a crystal structure sometime before 3 ABY.
The species' initial depiction was in the form of a crystallized figure, featured in "The Crystal Cloak," an episode of Ewoks.
Despite the species remaining unnamed, it has been established that genuine wolves are native to Endor.