In 2017 scientists made a lifelike animatronic baby langur monkey with cameras to observe real monkeys in the wild. When it was knocked down and stopped working, the real monkeys grieved over the “dead” child.
Monkey grief

In 2017 scientists made a lifelike animatronic baby langur monkey with cameras to observe real monkeys in the wild. When it was knocked down and stopped working, the real monkeys grieved over the “dead” child.