Schwenk, B. 1992. Bungee jumping monkeys. Animal Keepers' Forum 19(12), 437-438.

The three adults have never been seen on the bungee cord. The oldest offspring only uses it to aid himself in jumping to the floor from the crossbar. For the five younger offspring, the bungee is a favorite toy.This work has also been published in: The Shape of Enrichment 1(2): 5, 1992; Schwenk B; Bungee jumping monkeys.