Can Bearded Dragons Eat Ants? No — Skip Wild Insects

Why ants are a poor choice for a pet dragon

The problem is not that an ant is a strange food for a lizard. It is where the ant came from. VCA's feeding guide says collecting insects from outside or from the home garden is not recommended, because fertilizers and insecticides may be present in or on them. Ants travel across lawns, driveways, kitchen counters and bait stations, so there is no way to know what a given ant has walked through or eaten before your dragon catches it.

Ants also give very little back. They are tiny, so a dragon would need a great many of them to match a single cricket, and you cannot gut-load or calcium-dust an insect you never kept. VCA recommends that every feeder insect be gut-loaded within 12 hours of feeding and dusted with calcium powder, and wild ants skip both of those steps entirely.

The bigger risk: other wild insects

Ants are a useful reminder of a rule that matters far more with some other insects. Cornell University biologists reported that a single firefly, with its toxic lucibufagin chemicals, is enough to kill a lizard, and that bearded dragons do not recognize the danger. In the cases they described, the lizards gaped as they tried to regurgitate, their skin darkened, and they died within hours.

VCA also says never to feed fireflies to bearded dragons. The simplest way to avoid that whole category of risk is a flat rule: nothing from the yard, the porch light or the house goes into the enclosure. Feed only insects bought or bred as reptile feeders, which are the ones you can gut-load, dust and trust.

What to do if your dragon ate an ant

One stray ant that wandered into the tank and got snapped up is unlikely to cause trouble on its own, but watch your dragon closely for the rest of the day. Then find out how the ants got in, because a trail into a reptile enclosure means more can follow, and some may have crossed a treated surface on the way.

Never spray insecticide in or near the enclosure to deal with them. Take your dragon out to a safe, warm temporary space, clear the ants by hand, wipe the tank with plain water and seal the gap they used. If anything in the room has recently been treated for pests, tell your vet when you call.

Signs to watch and when to call a vet

Call a veterinarian who treats reptiles straight away if your dragon gapes or tries to bring food back up, suddenly darkens in color, becomes limp or weak, or has trouble moving after eating something wild. These were the signs described in lizards poisoned by fireflies, and they can progress within hours, so do not wait to see if they pass.

Slower signs also deserve a visit: refusing food for several days, not passing droppings, swelling, or twitching. VCA notes that an unbalanced diet can lead to problems such as low blood calcium and metabolic bone disease, and it advises discussing your lizard's diet with your veterinarian. Bring a note of everything the dragon has eaten recently.

Baby and juvenile bearded dragons

Young dragons eat more insects than adults, which makes the source of those insects even more important. VCA describes young dragons as mostly insectivores, fed once or twice a day, while adults lean toward plants and may eat every 24 to 72 hours. A juvenile hunting several times a day is the dragon most exposed to anything wrong with its prey.

So never top up a young dragon's insects with ants or anything else caught around the house. If you run short of feeders, a short gap is safer than a wild substitute. Offer plant food instead and buy fresh feeder insects as soon as you can.

Safer insects to feed instead

VCA lists calcium-dusted crickets, mealworms and dubia cockroaches as staple feeders, along with silkworms and hornworms. Waxworms and superworms are higher in fat and better kept as occasional extras. Gut-load the insects before feeding, dust them with calcium as your vet advises, and remove any uneaten live insects so they do not pester a resting dragon.

Where your dragon eats matters too. VCA's housing guide warns that loose substrates such as sand can cause a blockage if swallowed while a dragon hunts, and that temperature affects digestion. A solid-floored enclosure such as a wooden reptile cage with a slide-out tray or one with top access is easy to keep clean, and a digital thermometer at each end helps you keep the basking spot warm enough. Our bearded dragon enclosure guide covers sizing.

You can browse bearded dragon tanks and other reptile terrariums when setting up a safe feeding space.

This page is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your pet.