For carnivores a few bites of nutrient-rich meat can last you for days, so it's worth putting in a lot of effort and taking a certain amount of risk. All predators are therefore inherently in competition. With this in mind, it's no surprise that lions and spotted hyenas aren't exactly "best friends"! Lions and hyenas have a fundamental problem with each other that goes far beyond “normal competition”: both hunt the same prey in the same habitat and are therefore each other's fiercest evolutionary rivals. And because both are very powerful in combat - each in their own way - this competition is always latently deadly. The stuff that dramas are made of...

• Documentary