Male emperor tamarins are reported to be more observant of the infants and more protective, they are known to react faster to infant distress calls then females.
It is the dominant emperor tamarins who form these foraging troops, forming these mixed species groups is beneficial to the emperor tamarins and their ability to find quality food resources.
Visitors may also view a troop of hamadryas baboons, golden-bellied mangabeys, emperor tamarins, golden lion tamarins, red-handed tamarins, owl monkeys, wite-headed marmosets, pygmy marmosets.
Emperor tamarins respond in high rates of to the calls from conspecific and heterospecific species calls but not that much to polyspecific species calls.