Orangutan Baby Meets Daddy

I went to The Como Zoo yesterday and I saw something that I believe has never happened in nature OR in captivity. There was a baby born there a few months ago. He pretty much would just cling to the mother's chest so it was hard to see him very well. It was as if he was camoflagued. I think that these orangutan fathers never see their offspring and let them live if they do. The mother orangutan watched the adolescent orangutan play with a blanket and cover himself completely like a ghost. She then began doing it with another blanket. She then chose a corner and covered her baby only while cradling him and making sure that he had enough air to breath. After a time the huge adult male father came over and she pulled back the sheet to show him the baby. He just kind of investigated and, I believe, he then understood through the baby's mimicked actions, that this was his progeny. At a certain point, the father got a little aggressive and the mother turned him away, protecting her offspring all by herself. She then just sat with the blanket over him. Later, she finally relaxed, like she has not done for 2 months, on the hammock and let the baby just SIT on top of her and play. The adolescent came over and she kept him at a safe distance and all was calm and comfortable. It was AMAZING.