Studies have shown that captive animals live healthier, less stressful lives if they have opportunities to spend time doing things they'd normally do in the wild. Giving animals outlets for their natural instincts, ways to work for their food and interesting environments to live in is called enrichment. If you go to the zoo, you'll notice that many of the animals have toys that dispense food, objects to play with and things to perch on or climb. Many live with companions or are able to see other animals from their enclosures. Even though they're not wild animals anymore,…