Habituation of wild primates to human presence enables tourism and research but creates welfare risks and human-wildlife conflict that require careful management.
Primate habituation welfare requires balancing the conservation benefits of tourism revenue and research knowledge against the individual welfare costs of increased human exposure. Habituated gorillas and chimpanzees are at elevated disease risk from human contact — respiratory viruses to which humans are resistant can be lethal in primates with naive immune systems. Masked observers, strict distance rules and limiting group contact time reduce but do not eliminate this risk. Habituation also reduces fear-based predator avoidance that functions protectively. The welfare and conservation calculation generally supports habituation when tourism revenue demonstrably funds conservation infrastructure and ranger employment that protects animals from poaching — but this calculation requires ongoing evaluation rather than assumption.