What do prairie dogs eat?

Dogs and prairie dogs cross paths more often than many pet owners realize. Whether on a suburban walk, at the edge of a park, or in a rural backyard, recognizing what prairie dogs eat—and how that shapes their behavior—helps reduce risky encounters, protect local wildlife, and keep your dog safe. This guide explains diet, feeding behavior, health risks, and practical steps a dog owner can take if a meet-and-greet goes wrong.

What prairie dogs’ eating habits mean for dog owners

Prairie dogs are highly visible members of many grassland communities; they sit on mounds, pop up near trails, and make colonies that change how people use an area. For dog owners this matters because a prairie dog’s presence often changes the route you choose on walks, prompts a dog to chase or dig, and can create concentrated spots of droppings, fleas, or even poisoned carcasses if pest control has been used nearby. I typically see dogs drawn to prairie dog towns by scent and movement, and that curiosity can quickly turn into a bite, a fight, or exposure to parasites.

Understanding prairie dog diets also helps predict where animals will be at different times of year and what might attract them to yards. Owners who want to coexist humanely will find that diet-based insights inform humane exclusion measures and neighborhood planning: reducing tempting food sources and avoiding high-use foraging areas can lower conflict without harming wildlife.

Prairie dogs’ diet in a nutshell

At a glance, prairie dogs are primarily herbivores that feed on short grasses and herbaceous plants (forbs). Their staple foods are grasses during the growing season, supplemented by seeds, roots, and low shrubs when fresh shoots are scarce. Insects and other animal matter may make up a small, seasonal portion of intake, and in captivity diets are often supplemented with formulated pellets and vegetables to ensure balanced nutrition.

So, a dog that chases a prairie dog in early summer is most likely disturbing an animal feeding on green grasses or clover, whereas in late summer or winter that prairie dog may be digging for roots, consuming seeds, or nibbling woody plant material.

Feeding biology: how and why prairie dogs eat what they do

Prairie dogs are built for a grazing lifestyle. Their digestive system is adapted to process large amounts of fiber: they are hindgut fermenters, meaning fermentation of cellulose happens in a large cecum located after the small intestine. This arrangement allows extraction of energy from tough plant material, although it also means prairie dogs need to eat high-fiber plants to meet their nutritional needs.

Dental anatomy reinforces this diet. Their incisors grow continuously and are worn down by constant gnawing on abrasive grasses and roots; chewing is necessary not only for intake but also to prevent overgrowth. Nutritionally, prairie dogs are typically aiming for adequate fiber and seasonal energy reserves—spring and summer foraging supports reproduction and social activity, while late summer and fall feeding is often linked to fat storage for leaner months.

Foraging is also a social activity. Prairie dogs commonly feed in groups near burrow openings and coordinate vigilance with alarm calls. This social structure may shape how boldly a colony uses open areas: a large, alert colony may feed more confidently in exposed turf, increasing the chance that a dog on a leash or off-leash will see and attempt to chase them.

Where and when prairie dogs forage — habitat, seasons, and daily patterns

Prairie dogs are diurnal, tending to feed in the cool parts of the day—early morning and late afternoon are most common. Midday may be used for resting, grooming, or remaining close to burrow entrances when temperatures rise or when predators are active. Seasonal shifts are important: green, high-protein grasses dominate diets in spring; seeds and roots become a larger share in dry summers and winters.

Habitat matters too. Shortgrass prairies support different plant communities than mixed-grass or desert-edge sites, so the specific species of grasses and forbs eaten will vary by region. Drought, heavy grazing by livestock, and conversion of native prairie to turf or crops can reduce preferred forage and push prairie dogs to marginal plants, which may change their range and increase interactions with pets near developed areas.

Diet-related health risks — signs to watch in wildlife and pets

For dog owners the major concerns are zoonotic disease, parasites, and secondary exposures. Prairie dogs can carry fleas that are implicated in transmission of plague (Yersinia pestis) in certain areas; a sudden die-off in a colony or many dead, limp individuals may suggest plague or another acute disease and should be treated as a red flag. In places with known plague activity, public health agencies often ask residents to report unusual rodent deaths.

Parasites such as ticks and intestinal worms may be present on or in prairie dogs and can transfer to dogs that bite or carry them. A bite or scratch can cause local infection or abscess; even if the external wound seems minor, contamination with soil and animal oral bacteria means veterinary assessment is usually prudent. Another risk is rodenticide: carcasses left after control efforts can contain toxic bait and pose a secondary poisoning threat to scavenging dogs.

Signs of an unhealthy colony include listless or uncoordinated individuals, mass mortality, visible lesions, or a sudden absence of normal alarm calling. If these are seen, avoid the area, keep pets away, and report observations to local wildlife or public health authorities.

If your dog encounters a prairie dog: safe, immediate steps

Immediate actions should focus on separating the animals calmly and assessing your dog for injury. Call your dog back and remove them from the area—loud commands, a leash, or physically securing the dog may be necessary. Avoid handling prairie dogs; even apparently healthy individuals may bite or scratch in self-defense.

Check your dog for punctures, bleeding, or embedded teeth and don’t delay seeking veterinary care for any break in the skin. Bites can carry Pasteurella and other bacteria and may lead to abscesses. If you suspect open wounds, contaminated wounds, or your dog was in physical contact with a sick-looking rodent, contact your veterinarian or an emergency clinic promptly.

Afterward, follow up on parasite prevention: ensure flea and tick preventatives are up to date, consider a stool check if your vet recommends it, and monitor your dog for fevers, lethargy, swelling, or changes in appetite over the following two weeks. If you observe sudden illness in your dog after contact, tell your vet about the prairie dog encounter—this context can guide testing and treatment. If you saw dead or abnormal prairie dogs, report them to local wildlife authorities so they can investigate for plague or other community risks.

Keeping walks and yard time safe near prairie dog colonies

Simple behavior changes reduce most risks. Leash discipline is the first line of defense: a short, sturdy leash and a front-clip harness improve control and reduce lunging. Reliable recall training helps reroute curious dogs before a chase starts. When you can, intentionally reroute paths away from visible colonies—prairie dogs often return to the same burrows daily, so avoiding the mound areas is effective.

In yards, humane exclusion is preferable to lethal control. Installing buried barriers along garden edges, using dense ground cover in vulnerable spots, and filling individual burrow entrances with a level of soil that discourages digging may reduce use by prairie dogs without harming them. Coordinate with neighbors and local authorities if prairie dogs are numerous; community-based approaches often work better than individual attempts at control and reduce the risk of poisoning that could harm dogs.

Protective gear and tools that reduce risky interactions

• A sturdy leash and front-clip harness or head halter to maintain control during high-stimulation encounters; a long training lead can help manage recall safely in open spaces.
• Veterinarian-recommended flea and tick preventatives; some regions may have additional recommendations tied to local disease risk.
• Basic pet first-aid supplies: clean wound dressings, disposable gloves, antiseptic wipes, and disposable bags for safely removing debris or samples to show a veterinarian if needed.
• Binoculars or a small field guide to observe prairie dogs from a distance—this reduces temptation for a dog to approach and helps you identify colony size and behavior without getting close.

Who to consult: veterinarians, wildlife biologists, and local authorities

• Your primary veterinarian or an emergency clinic for immediate treatment after bites, suspected poisoning, or signs of infection.
• State wildlife agencies or local wildlife biologists for reporting sick or dead colonies and for guidance on humane coexistence and local regulations.
• University extension services or wildlife ecology departments for region-specific information on prairie dog ecology, management, and disease risk.

References and further reading

• Centers for Disease Control and Prevention. “Plague: Information for the Public.” https://www.cdc.gov/plague/index.html
• U.S. Department of Agriculture, Wildlife Services. “Black-tailed Prairie Dog Management in Grasslands.” https://www.aphis.usda.gov/publications/wildlife_damage/content/printable_resource/black-tailed_prairie_dog.pdf
• Hoogland JL. “The Black-tailed Prairie Dog: Social Life of a Burrowing Rodent.” University of Chicago Press. (See ecological and dietary chapters for feeding behavior).
• American Veterinary Medical Association. “Rodent-borne Diseases and Pets.” https://www.avma.org/resources-tools/animal-health-and-welfare/rodent-and-rodent-borne-diseases
• U.S. Geological Survey. “Prairie Dog Ecology and Management.” https://www.usgs.gov/centers/gbsc/science/prairie-dogs