Small hole, big surprise: DNA test reveals resourceful gibbon as unexpected daddy

Japanese zookeepers didn't understand how Momo, a 12-year-old white-handed gibbon, managed to get pregnant when there were no boy monkeys in the cage. When they performed a DNA test on her baby, they learned the father was Itō, a 34-year-old agile gibbon, who lives in an adjacent enclosure. — Read the rest