A Canine's Dewclaw could be the fifth digit in its forelimb and hind legs. Dewclaws about the forelimbs are connected by bone and ligament, even though the dewclaws about the hind legs are connected only by pores and skin. Most dogs are not born with dewclaws in their hind legs, https://troywwvts.blogdon.net/considerations-to-know-about-dogs-47989793