* Warthogs benefit from the ostrich's keen eyesight: Ostriches have excellent vision, allowing them to spot predators from afar. Warthogs, with their poor eyesight, rely on the ostriches to warn them of danger. The ostriches will often alert the warthogs with a loud hissing sound, giving them time to escape.
* Ostriches benefit from the warthogs' foraging abilities: Warthogs are skilled at digging and rooting in the ground for food. As they forage, they unearth insects and other invertebrates, which the ostriches can then scavenge.
This mutualistic relationship is a great example of how different species can cooperate to improve their chances of survival.