Grey crowned cranes are iconic African birds facing severe population declines in the wild. Their welfare in zoo settings requires understanding of their social, dietary, and spatial needs.
Crowned crane welfare in zoos depends primarily on pair bonding quality and enclosure naturalness. As birds with strong monogamous pair bonds and complex social behaviour including coordinated dancing, crowned cranes that are isolated or paired with incompatible individuals show reduced welfare indicators and reproductive failure. Welltended bonded pairs engage in the elaborate display behaviour that indicates positive affective states and appropriate social fulfilment. Enclosure design should allow flight opportunities, wetland features for wading, and varied vegetation for foraging and shelter. Their omnivorous diet requires diverse food presentation. Thermal management is important — crowned cranes from warm African wetlands require heated shelter in winter climates. The pet trade welfare problem is severe: cranes removed from the wild and kept privately or in poor zoo conditions suffer from social deprivation, inappropriate diet, and inability to perform natural behaviour.