A female will either reuse or find a new den within the packs territory. It can be a deep hole, a hollow log, or even a small opening in rocks. The most important thing is that it has to be near water. See related link for one example..
Previous answer: ever seen a red fox? a maned wolf is just another name for a red fox.
(Actually, the above answer is untrue. The Maned Wolf (Chrysocyon brachyurus) closely resembles the Red Fox...
Wolves are similar to dogs -- IE, they are from the same family, the Canis family. They share many of the same characteristics; however, wolves (unlike dogs) are untamed, and live in wild. Wolves...