Cotton-top tamarins are critically endangered primates whose zoo populations serve as a conservation lifeline, requiring specialist social, nutritional, and environmental care.
Cotton-top tamarins have complex social and environmental needs that require sophisticated zoo management. Isolation or inappropriate group composition causes chronic stress evidenced by elevated cortisol and stereotypic behaviour. Their cooperative breeding biology means that removing helpers from groups disrupts not only their wellbeing but also the breeding success of the unit. Vertical space and complex climbing structures are essential — horizontally barren enclosures prevent expression of natural locomotion. Diet must include live insects and fruit variety to stimulate foraging behaviour. Well-managed zoo populations of tamarins represent genuine conservation value, providing insurance populations and funding field programmes, but only if welfare standards are maintained at high levels.