Despite their slow speed and poor vision, a warthog can still be deadly. A male warthog's tusks can be longer and sharper than a lion's canines, so potential predators know to keep clear if they want to avoid a confrontation. See the unexeptected side of animals in a brand new season of Africa's Deadliest, part of Deadliest Month Ever, Mondays at 8pm on National Geographic WILD UK. | National Geographic UK