In 1996 at Brookfield Zoo, Illinois, a 3 year old boy fell into the gorilla enclosure

In 1996 at Brookfield Zoo, Illinois, a 3 year old boy fell into the gorilla enclosure suffering multiple injuries from the 20ft fall. Binti Jua the gorilla pictured, carefully cradled him in her arms and carried him to the service entrance so that the boy could be saved
(TITLE FROM REDDIT r/AnimalsBeingBros)

The prequel