These things are so smart.
Unfortunately for the males, however, the females seem to be far superior tool hunters.
I can definitely see a good story out of this. Maybe something like The Ghost People /shameless plug, but with extinct non-human hominids.
The males failing and then beating the tree kind of remind me of some of us procrastinators in this last contest. Meanwhile our 90k word writers are the females, effortlessly and gracefully fashioning and using the tools.