4. They Are Highly Intelligent (and Can Be Trained!) Miniature pigs are among the most intelligent animals on the planet, on par with dogs in terms of problem-solving skills. This makes them easy to ...

The pig pair's 11-year-old owner, Claire Barrow, trained the pets and helped them pass their therapy animal certification test Kelli Bender is the Pets Editor at PEOPLE. She has been working at ...