When I was still working there as a guide, we used to call this the "toilet roll tree". LOL!! It is a Weeping Wattle and its leaves are so soft, you can use it for toilet paper if you do not have any but PLEASE do not confuse it with the Sweet Thorn which looks VERY similar but has tiny thorns on. That would be OUCH if used!! LOL!!
Elephants like a varied diet and will often strip the bark off trees. Some trees survive this treatment and others not.
Because of the drought, the animals are in very poor condition right now with many of their coats mangy. I think the rain came just in time to stop many of them dying of hunger. Male Impala's have a brown spot between their horns and near the bottom of their back legs which looks like tufts of brown hair but is in actual fact a gland which they use in marking their territory.