Oddly enough, I have so far been twice almost killed by elephants in my life. The first time I was chased almost a mile across the Arizona desert by an African elephant.
I reckon that might shape your outlook a bit.
imagine a world where you are a D&D adventurer who kind of knows about nature (say me, who ain't an expert, but can survive a weekend with nothing but a knife in the woods).
I for one wouldn't approach any animal I didn't intend to kill. and a really big animal ain't likely on my list without some prep and some friends.
Therefore, I would enjoy watching the hippos and elephants from over THERE, and hopefully not tend to be near enough to agitate them.
Also note, since they are herd animals, I sure as heck wouldn't approach a herd with the intent to kill one. the herd will inherently defend itself by stomping me to death.
I guess what I'm saying is, I got no clue how YOU ended up in big animal trouble, but I would take basic steps to reduce my risk of the same.