Japanese zookeepers believe they have solved the mystery of how a gibbon became pregnant despite living alone in her cage. Momo, a 12-year-old white-handed gibbon, shocked her keepers at the ...

Momo, a 12-year-old white-handed gibbon, shocked her keepers at a Zoo in Nagasaki in February 2021 when she gave birth despite having no known male companionship. Now two years later, following a ...