Capybaras are the world's largest rodents and highly social semi-aquatic animals. Their welfare in zoo settings depends on appropriate social grouping and access to water.
Capybaras in zoos without adequate water access are deprived of one of their most fundamental behavioural needs. Swimming is not merely a preference — it is essential for thermoregulation, escape from threats, and social bonding in this species. Groups too small to maintain natural social complexity, or individuals kept singly, show elevated stress and reduced welfare. Well-managed capybara exhibits provide large, deep heated pools, grass paddocks for grazing, and stable social groups large enough to allow natural hierarchy dynamics. Their gentle, social nature makes them effective zoo ambassadors when their welfare needs are properly met.