5. You have about 90 species choose from
When you choose to keep gerbils, you don’t need to limit yourself to the same species as every other gerbil owner you know. You get to choose from multiple sub-species. With 90 different sub-species and 40 different colors to choose from, it’s always easy to get individuals that reflects your individual preferences. When considering getting gerbils, start with at least two and try to get different species.