African crested porcupines are the world's largest rodents after capybaras. Their welfare in zoo settings requires adequate burrowing opportunity, nocturnal management, and appropriate pair bonding respect.
Porcupine welfare in zoo settings is frequently underestimated because these nocturnal animals appear inactive during standard visitor hours. Their behavioral repertoire is primarily expressed at night — foraging, pair bonding, burrowing, and vocalizing — making daytime zoo observation an inadequate window into their welfare. Enclosures must provide deep, appropriate substrate for burrowing; porcupines deprived of burrowing opportunity show stress and stereotypic behavior. Compatible pairs benefit enormously from social companionship — pair-bonded porcupines engage in mutual grooming, vocalization, and synchronized foraging. As nocturnal animals, bright daytime lighting is stressful; night exhibit arrangements or dawn/dusk viewing hours better respect their biology. Diet diversity including roots, bark, and appropriate fruits supports natural foraging motivation. Porcupines are low-maintenance in many respects but high-needs in their specific requirements for nocturnal environmental complexity.