I've told this story before, somewhere...
Dwarf and I were sitting relaxing at Hillside water trough in the 90's. There was quite a bit of activity...old dry season stuff, with a lion chasing visiting game from zebra to warthog away every now and again...
This carried on for almost an hour, with things eventually reaching a tense stalemate...one could cut the tension with a knife...the zebra stood off at a distance and the lion hid in some bushes...
lo and behold a solitary baboon male came strolling purposefully along, blissfully unaware of the drama, and intent on getting some rehydration! Yes, it was a Sunday morning, I think, and I felt similarly...
The baboon did sort of pause a bit at the trough, obviously briefly wondering why it was so quiet...but then thought, "Oh well, must be some other action somewhere", and proceeded to start taking long gulps of water...
Meanwhile the zebra approached again, presuming that the baboon should know that danger had passed. This is normally the case, as baboon are by far the most vigilant prey species in the park! But not this boy...
The lion burst out of the bushes at full tilt, racing toward the trough and leaping over both it and the baboon...determined to get a zebra...but failing and stopping some distance later...
The baboon had the shock of his life, left some huge droppings, and skedaddled up the nearest tree!
Dwarf and I were screaming with laughter, and got the giggles for another half hour or so as the baboon eventually started giving extra-loud alarm barks continuously for that period...perhaps trying to regain some dignity.
Not a good day for our species, but unforgettable!
Yellow-Throated Longclaw
Lappet-faced Vulture sleeping 
Brown Snake-Eagle 
My guess would be tennis elbow 
