Monkeys have been shown to mourn a robot baby they accepted as one of their own.
In a new BBC show, Spy In The Wild, the monkeys gather around the artificial creature and appear to go into a state of grief.
They gather around the baby, hush their chatter and hug each other in what appears to be a show of grief.
In what is perhaps a good show for those who are missing Planet Earth, the producers hide cameras in lifelike robots to give a first-person view of how animals behave in the wild.
The show aims to give an insight into the secret lives of animals.