Hippos are tough, aggressive animals with huge teeth, killer bites, thick skin, a nasty attitude, and are the animal responsible for the most human deaths every year. read more
Despite the hippo is a large, bulky animal, there are plenty of animals that can kill, or take down one. Starting with the small ones. I believe that many parasites and venomnous animals can kill a hippo. But I think you are searching for animals that kill hippos with physical strenght, rather than parasitism, infection or toxicity. read more
But we're talking about which animals could hypothetically take down a hippo. And if tigers can take down rhinos and elephants, I'd imagine they'd be able to take down hippos. read more
There are animals that have power to take down a tiger but they cannot because a tiger is too agile for them e.g rhino, elephant etc. There are animal that have potential to kill a tiger but only with poisons. There are animals that out do tiger but they have alienated habitats i.e marine. E.g Orca, whales and great white shark. read more