Zoo Aardwolf Welfare: An Insectivore's Needs in Captivity

Aardwolves are highly specialised termite-eating members of the hyena family, with unusual dietary needs and nocturnal habits that create specific welfare challenges in zoo settings.

Key Facts

Aardwolves (Proteles cristata) are the sole member of their subfamily within Hyaenidae; despite their hyena relation, they eat almost exclusively termites — particularly Trinervitermes and Microhodotermes species in southern and eastern Africa
Their tongue is broad and sticky, adapted for licking termites from the surface of termite mounds — they can consume up to 300,000 termites in a single night
They are solitary and territorial, marking large home ranges with scent glands; forced cohabitation between unfamiliar individuals causes stress and aggression
Being strictly nocturnal, aardwolves are adapted for darkness and are highly sensitive to light — exhibit management must accommodate their nocturnal biology
Replicating the termite diet in captivity is challenging: commercial termite supply is difficult to maintain, and alternative insectivore diets may not provide the same nutritional profile or feeding experience
When fed appropriate diets that include live termites or termite material, aardwolves maintain better body condition and show more natural foraging behaviour
The global captive population is small — few zoos maintain this specialised species — making each individual important for both welfare and educational purposes

Welfare Considerations

Aardwolf welfare in captivity is fundamentally a dietary and environmental management challenge. As obligate termite specialists with extremely narrow dietary specialisation, aardwolves that cannot access appropriate termite-based nutrition — or a carefully formulated substitute — face chronic nutritional inadequacy. Their foraging style involves extended periods of licking from low surfaces, a behaviour pattern that standard carnivore feeding approaches (whole prey, meat) cannot engage. Providing termite material in a format that allows normal licking behaviour — termite mound replicas, termite-seeded substrate, or commercially produced termite products — significantly improves both nutrition and behavioural welfare. Nocturnal management is essential: exhibits should operate under reversed lighting to allow natural activity during public visiting hours without disrupting circadian rhythms. Solitary management, appropriate for the species, reduces social stress but requires particular attention to environmental enrichment to prevent boredom.

What You Can Do

Support zoos that invest in termite provisioning systems and reversed-lighting exhibits for aardwolves
Advocate for insectivore welfare standards specific to termite specialists that require nutritionally appropriate diets and foraging behaviour expression
Donate to African savanna conservation protecting aardwolf habitat and the termite colonies they depend on
Ask zoos about their aardwolf dietary management and whether animals receive termite-based nutrition
Raise awareness of aardwolves as fascinating, underappreciated animals with extraordinary dietary specialisation that poses genuine zoo welfare challenges