What Do Armadillos Eat?
Armadillos are insectivores that primarily eat ants, beetles, and other invertebrates. They dig extensively through soil and leaf litter to find grubs, termites, and worms. Armadillos also consume some plants, especially persimmons and fungi. Their diet changes seasonally based on what is available. This digging behavior helps them survive but makes them unpopular in yards.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 23, 2026.
The Main Diet - Insects and Invertebrates
Armadillos are specialized insectivores with huge appetites. They can eat up to 40,000 ants in a single day depending on species and size. Beetles make up a substantial portion of their diet, including click beetles and other species. Grubs, termites, and earthworms provide essential nutrition. Grasshoppers and crickets become food when encountered during digging. Arachnids like spiders and scorpions get consumed along with other invertebrates. Flies and other small insects supplement the larger items. Gastropods including snails provide minerals and variety. Most armadillos rely almost entirely on these invertebrate sources. Their specialized snout and long claws let them dig efficiently to find insects. Unlike many mammals, armadillos do not compete heavily with other animals for the same foods. To learn more about armadillos across different regions, visit the general wildlife page.
Seasonal Changes in Armadillo Diets
Armadillo diets shift with seasons as insect populations change. In spring and summer, insects are most abundant and active above ground. This makes feeding easier and faster. Fall brings declining insect activity requiring more digging effort. Winter presents serious challenges in cold climates. Many armadillo populations cannot survive freezing winters due to food scarcity and cold sensitivity. Where winters are milder, armadillos continue eating throughout the year. Insects move deeper into soil during winter making them harder to find. Grasshoppers and flying insects vanish during colder months. Plants like American persimmons become more important in fall when available. The timing and availability of different insects creates feast-or-famine cycles. Armadillos lacking sufficient fat reserves may not survive harsh winters. Seasonal migration occurs when populations move to more favorable conditions.
Regional Differences Across the US
Armadillo diets vary by region and habitat type. In warmer southern regions, armadillo populations thrive year-round. Expanding ranges like Wyoming are seeing occasional armadillo presence. The Wisconsin region has limited armadillo populations at the northern edge of their range. West Virginia similarly has armadillos at range boundaries. Coastal plains offer different insects than rocky uplands. Forests have different invertebrate communities than grasslands. Sandy soils allow easier digging for hidden insects. Clay soils require more effort but may harbor more termites. Deciduous forests offer more grubs than coniferous forests. Each region's climate and vegetation create different food availability. Local insect species vary by latitude. Armadillos in different regions have adapted to local prey availability.
Digging Behavior and Foraging Strategy
Armadillos are relentless diggers using their powerful claws to excavate soil. They probe into leaf litter and soft earth looking for insect colonies. Ants are located primarily through smell using their excellent snout. Long claws rip open ant hills and termite mounds revealing colonies inside. The armadillo's long sticky tongue captures fleeing insects. Digging creates characteristic small holes across yards and gardens. Armadillos feed during cooler parts of the day. They may be active at night or during dawn and dusk depending on temperature. This digging provides essential ecosystem services by aerating soil. However, this behavior conflicts with human landscaping and yard maintenance. Armadillos cannot be easily deterred from digging. Their instinct to burrow for food and shelter is nearly impossible to stop. Understanding this behavior helps coexist with armadillos better.
Young Armadillos and Diet Development
Baby armadillos called pups depend on their mother's milk initially. Weaning occurs after several weeks of nursing. Young armadillos gradually learn digging skills from their mother. Initial foraging attempts often fail requiring months to develop competence. Pups learn which insects are edible and worth hunting. Mothers teach young where to find reliable insect colonies. Size limitations restrict what young armadillos can eat early on. They cannot dig as deeply or forcefully as adults. Juvenile diets mirror adult preferences but with smaller prey items. Young armadillos take several months to reach independence. Diet diversity increases as they learn more foraging locations. Some young armadillos starve before mastering survival skills. Survival rates improve significantly once digging ability develops fully. Adult diet remains largely unchanged throughout the remainder of life.
Armadillos Around People - Gardens, Yards, and Pest Control
Armadillos dig extensively in human yards searching for grubs and insects. This behavior makes them considered pests despite eating harmful invertebrates. Vegetable gardens suffer damage from digging though the actual goal is finding insects not eating plants. Grubs are controlled by armadillo digging which can be beneficial. Earthworms may be consumed during digging disrupting soil health. Armadillos should not be fed human food. They cannot process grain-based diets or fruits properly. Attracting armadillos requires accepting digging damage. Installing fencing around gardens provides limited protection. Live traps can relocate armadillos to appropriate habitats. Poison is dangerous to armadillos and other animals. Understanding their ecological role helps tolerate their presence. Many pest control companies remove armadillos humanely. Accepting them as part of the landscape ecosystem may be wisest.
How Armadillo Diets Compare to Other Burrowing Mammals
Moles also eat insects and burrow through soil like armadillos. Moles prefer earthworms and grubs more exclusively than armadillos. Shrews eat insects but hunt above ground rather than digging extensively. Badgers dig for prey but hunt larger animals like ground squirrels. Gophers eat plants primarily and only incidentally consume insects. Prairie dogs eat mostly grass and seeds not insects. Echidnas from Australia are also insectivores with similar digging behavior. Pangolins eat primarily ants and termites almost exclusively. Armadillos are unique in their armor-plated bodies and rolling ability. Their digging efficiency exceeds that of most similar species. Armadillos compete minimally with other mammals due to their specialized niche. Their ecological role as insectivores places them in a distinct position. This specialization has allowed armadillos to thrive despite expanding human presence.
Frequently asked questions
How many ants can an armadillo eat in one day?+
Armadillos can consume up to 40,000 ants daily depending on species and size. Their metabolism requires constant feeding. This enormous consumption helps control ant colonies in their habitat.
Do armadillos eat grubs?+
Yes, grubs and larvae are important parts of armadillo diets. They dig specifically targeting grub colonies in soil. This feeding behavior can benefit gardens by reducing harmful insect populations.
Can armadillos hurt lawns?+
Yes, armadillo digging creates holes and disrupts soil throughout lawns and gardens. The damage occurs while searching for insects and grubs. Their tunneling can undermine grass root systems and create unsightly surface damage.
Why do armadillos burrow?+
Armadillos dig for two main reasons: finding food and creating shelter. Their digging behavior satisfies both survival needs simultaneously. This natural instinct cannot be trained away or easily deterred.
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