This category spans apex predators like lions and crocodiles, formidable giants such as hippos and elephants, and even tiny but lethal vectors like mosquitoes and assassin bugs.
Brutality in nature takes many forms, from teeth, claws, and venom to overwhelming numbers or the ability to spread deadly infections.
- 15 brutal snake photos showing just how lethal and deadly their killing methods can be when they strike
- The biggest fight on Earth: Brutal BBC footage shows 30 male humpback whales hunting down one female – some may even die in the process















Discover more incredible and fierce wildlife:
- Watch terrifying, heart-stopping tense footage of a fierce polar bear mother defending her vulnerable cubs against a dangerous, deadly aggressor
- It may look cute but don't be fooled as this pretty little rodent harbours a deadly disease that's lethal to humans
- 15 brutal snake photos showing just how lethal and deadly their killing methods can be when they strike