Can you imagine how your life might be without your best friend? Who would listen to all of your terrible jokes or have your back any time you got into trouble? As humans, we rely heavily on friends for support, companionship and even when we want to kick back and have some fun. In fact, whether in social or professional spheres, it is generally accepted that forming strong bonds and partnerships with one another can often bring about positive results. But did you know that throughout the animal kingdom such partnerships are also formed, and not just within a single species?