Snakes and reptiles in zoos require specific thermal, lighting, and enrichment conditions that are frequently misunderstood. Understanding their welfare needs is essential for responsible captive management.
Reptile welfare in captivity has historically been undervalued because reptiles show few of the behavioural cues — vocalisation, facial expression — that humans associate with suffering. However, reptiles have functional nervous systems, show avoidance and protective responses to noxious stimuli, and demonstrate stress responses in adverse conditions. Snakes deprived of appropriate thermal gradients, hiding opportunities, and environmental complexity show escape-seeking behaviour that indicates frustration and stress. Metabolic bone disease from UV-B deficiency is painful and preventable. Modern reptile welfare science has developed evidence-based guidelines for thermal management, substrate provision, enrichment, and social housing that can dramatically improve captive snake and reptile welfare when implemented.