WolfQuest (Mac Version)

Learn about wolf ecology by living the life of a wild wolf in Yellowstone National Park. Play alone or with friends in on-line multiplayer missions, explore the wilderness, hunt elk, and encounter stranger wolves in your quest to find a mate. Ultimately—in Episode 2, coming in 2009—your success will depend on forming a family pack, raising pups, and ensuring the survival of your pack.

This is another free and interesting MMO for Mac that tries somethings that other MMO's wont. Give it a shot, you may enjoy it.

*Note*
I am seeding this to help keep the devs bandwidth charges down while still getting them new users.



http://www.wolfquest.org/