2. Capybara

This animal belongs to the rodent family. However, it differs from hamsters and guinea pigs. The capybara can be up to 4 feet long. It weight is around one hundred pounds. In some parts of the world it is not allowed to keep them at home. So before you decide to purchase a capybara, make sure it is a legal action in your country. Such an unusual pet requires lots of space and a pool or a pond nearby.