Ever wonder why you see white-tailed deer trails? Well, it comes from the interdigital gland located between the hooves of the front and back legs of a buck or doe. A buck uses it as a GPS by secreting this gland to mark territory and a doe uses it for her fawns.

A lot of times people will think a fawn is abandoned by it's mother but it's not. By secreting the interdigital glands she knows exactly where she has hidden her young.