I found it fairly easy to tell them apart. Only the calves and their mothers were confusing. The younger calf is bigger and less hairy than the older one, presumable just to confuse people.
Aung Bo was throwing his weight around a bit, hopefully he was just showing off and won't turn out to be mean. Whatever his personality, he is going to be spectacular when he's older. Only twelve and he is already big with a good pair of tusks.
You could really tell who was part of the Hi Way family and who wasn't. I don't think you could call Maya or Jangolie matriarchs, they didn't seem to have much to do with the Hi Ways, especially Maya.