Zoo welfare is advancing rapidly through new science, technology, and institutional commitment to evidence-based practice.
Zoo welfare science is in a period of rapid advancement, moving from resource-based (enclosure size, diet) to outcome-based (behavioral indicators, stress markers) assessment. Technology enables continuous monitoring that periodic inspections cannot match. Institutional commitment to transparency through public welfare reporting creates accountability. The trajectory is toward genuinely evidence-based zoo welfare management — though the gap between leading institutions and the global average remains wide.