Yard Holes
Holes, tunnels, and dirt mounds in your lawn or beds
Few things are more frustrating than walking out to fresh holes in a lawn you take care of. The good news: holes are one of the easiest yard clues to read. The size of the opening, whether there's a mound of soil next to it, how deep it goes, and when it appeared all point to a fairly short list of suspects — from squirrels burying acorns to chipmunks, voles, moles, skunks, and ground-nesting insects. Start with the guide that matches what you're seeing, and use the comparison tables to rule suspects in or out.
Have a tape measure — or a quarter? Size is the fastest way to narrow down a digger. Compare yours in the yard hole size chart.
Yard Holes guides
Animal Holes in Yard: Identify the Digger by Hole Size The fastest way to identify an animal hole in your yard is by its diameter: pencil-width openings are insects, 1–2 inch holes are voles or chipmunks, 2–3 inch smooth holes suggest rats, 3–4 inch cone-shaped pits point to skunks, and anything 10 inches or wider with a fan of dirt is a groundhog. Whether there's a mound, whether the hole tunnels down or stays shallow, and when it appeared tell you the rest. Read the guide → Dirt Mounds in Lawn: Mole, Gopher, or Ant? Read the Shape The shape of a dirt mound is the fastest identification tool in the yard: moles build round volcano-shaped mounds with no visible hole, pocket gophers build fan- or crescent-shaped mounds with a plugged hole to one side, and ants, earthworms, and digger bees leave much smaller piles. Match your mound to one of those shapes and you've usually named the animal. Read the guide → Holes in Your Lawn Overnight? What Digs While You Sleep Holes that appear in the lawn overnight are almost always the work of nocturnal foragers — skunks, raccoons, and in the South, armadillos — hunting for grubs and worms under your turf. The shape of the damage tells you who visited, and in many cases the real fix is dealing with the grubs that attracted them. Read the guide → Moles vs Voles: How to Tell Which Is in Your Yard Moles are insect-eating tunnelers that push up volcano-shaped mounds and raised ridges but never eat your plants; voles are mouse-like rodents that make open surface runways and 1 to 1.5-inch holes and do eat roots, bulbs, and bark. The fastest tell: mounds and no plant damage means moles, while open holes, surface trails, and chewed plants or gnawed bark mean voles. Read the guide → Small Holes in Yard With No Mound: What's Digging? Small holes in your yard with no dirt mound are usually caused by squirrels, chipmunks, foraging birds, earthworms, or ground-nesting insects. The size of the hole, how deep it goes, the time of year, and whether the damage appeared overnight can narrow down the cause quickly. Read the guide → Two-Inch Holes in Yard: Chipmunk, Rat, or Something Else? A round hole about two inches across is classic burrow size, and the usual suspects are chipmunks, rats, and thirteen-lined ground squirrels. Chipmunk holes are clean with no soil pile, rat holes are worn and hug structures, and ground squirrel holes sit in open, sunny lawn — those three clues sort out most cases. Read the guide → Cicada Holes in Yard: Clean Dime-Size Holes Under Trees Clean, round holes about a half-inch wide (dime-size) with no soil mound, clustered in the ground under and around trees, are almost always cicada emergence holes. They're completely harmless and fill in on their own. The cast skins on nearby tree trunks and the loud daytime buzzing are the giveaways. Read the guide → Deep, Narrow Holes in the Yard: 5 Likely Causes A narrow hole that drops straight down and seems to go forever is usually a crayfish burrow, a cicada killer wasp tunnel, a vole shaft, or an old rodent burrow now used by a snake. Whether there's a mud chimney, a soil fan, or nothing at all around the opening is the fastest way to tell them apart. Read the guide → Golf Ball-Size Holes in Your Yard: What Dug Them? A hole about the size of a golf ball — roughly 1.5 to 2 inches across — is classic burrow-entrance territory, most often chipmunks, ground squirrels, or rats. Where the hole sits, whether there's a soil pile beside it, and what part of the country you live in will usually settle which one it is. Read the guide → Holes Around Tree Roots: Squirrels, Voles, or Wasps? Holes at the base of a tree usually belong to squirrels burying and retrieving nuts, voles working the mulch line, or rats denning in the sheltered pocket under the root flare — and sometimes to nothing living at all, since decayed old roots leave open channels in the soil. The one to identify before you get close is a yellowjacket colony nesting in a hollow among the roots. Read the guide → Holes in Flower Beds Overnight? Meet the Night Shift Flower beds dug up overnight are almost always animals hunting food, not making homes: skunks and raccoons dig for grubs and worms in the soft soil, squirrels bury and retrieve nuts, cats use loose beds as litter boxes, and across the South armadillos root through beds nose-first. Each leaves a different style of hole, so one careful morning inspection usually names your visitor. Read the guide → Holes in Lawn With Dead Grass Around Them: What It Means When holes and dead grass show up together, the dead grass is usually the underlying story: grubs kill turf roots and then skunks, raccoons, and birds dig holes going after them, while vole runways, yellowjacket ground nests, and dog urine spots each pair dying grass with their own style of hole. Figure out whether the grass died first or the digging came first, and the diagnosis usually follows. Read the guide → Holes in Mulch Beds: Who's Digging Through Your Mulch? Disturbed mulch usually comes down to a simple distinction: mulch flipped and scattered on top means squirrels or birds foraging through it, while an actual hole punched down into the soil beneath means a chipmunk, rat, or cat. Squirrels and chipmunks are the everyday culprits; the pattern of the mess tells you whether you're looking at snacking, caching, burrowing, or a litter box. Read the guide → Holes in Yard After Rain: Why They Appear Overnight Holes that appear after a good rain are usually not new digging at all — rain exposes earthworm burrows, washes open old animal tunnels, and collapses settling soil, while wet weather brings crayfish and emerging cicadas to the surface. Most rain-revealed holes are harmless; the size and what surrounds each hole tells you which kind you have. Read the guide → Holes Near Your Foundation: Causes and When to Act Holes right along a foundation usually come from chipmunks, Norway rats, or voles, all of which like the shelter a house wall provides — but water pouring from downspouts and settling backfill soil carve foundation-line holes too. Sorting burrow from washout matters, because a rat burrow against the house is the one that needs fast professional attention. Read the guide → Holes Under the Fence: What's Digging In (or Out)? A hole under a fence is usually a travel gap scraped out by rabbits, skunks, or a neighborhood dog — or the edge of a real burrow if a groundhog has moved in along the fence line. The key distinction is pass-through versus home: a shallow trench under the boards means something is commuting through your yard, while a deep hole with a big dirt pile means something is living there. Read the guide → Large Holes in Yard: Groundhog, Fox, Skunk, or Armadillo? A hole 6 inches across or bigger is a den entrance, and in most American yards the owner is a groundhog — an 8- to 12-inch hole with a big dirt mound is their signature. Foxes, armadillos, and skunks dig or borrow similar burrows, especially under sheds, decks, and porches, so smell, mound size, and location are what separate them. Never fill a large hole until you know it's empty. Read the guide → Many Small Holes in the Lawn? Here's What's Behind Them When the lawn is peppered with dozens of small holes rather than one or two big ones, the cause is almost always foraging birds, earthworms surfacing after rain, or ground-nesting bees in spring. And before you blame wildlife at all, rule out the most overlooked explanation: leftover plugs from a recent core aeration. Read the guide → One-Inch Holes in Lawn: Identify the Digger by Size Holes about an inch wide in a lawn are most often the work of voles, young chipmunks, ground-nesting bees, or — in wet, low-lying yards — crayfish. An inch is a telling size: it's too big for most insects and too small for rats or full chipmunk burrows, so checking depth, soil, and location will usually name the digger. Read the guide → Quarter-Size Holes in Yard: Wasps, Cicadas, or Voles? Holes about the size of a quarter — roughly an inch across — most often belong to cicada killer wasps, emerging cicadas, ground-nesting bees, or voles. The soil is the fastest clue: a big horseshoe of excavated dirt means a cicada killer, a clean hole with no soil means a cicada came out of it, and a small crumbly rim means bees. Watch briefly from a distance before getting close, in case wasps own it. Read the guide → Shallow Divots in Lawn: Foraging Damage Decoded Shallow divots — little scoops that stop within an inch or three of the surface — are foraging marks, not burrows: squirrels caching and retrieving nuts, skunks drilling for grubs at night, birds probing at dawn, or a dog freelancing. Because three of those four are hunting grubs, a lawn suddenly covered in divots is often really a message about what's living under the turf. Read the guide → Snake Holes in Yard: What They Really Are (Snakes Don't Dig) Here's the surprising truth: snakes don't dig holes. What people call a snake hole is almost always a burrow dug by a chipmunk, vole, or rat that a snake may — or may not — be using. A shed skin nearby, a smooth entrance with no fresh soil, and no mound are the signs a snake has actually moved in. Read the guide → Tunnels in Grass: Mole or Vole? How to Tell in Seconds Tunnels in a lawn come in two distinct styles: raised, spongy ridges you can feel underfoot are mole feeding tunnels just below the surface, while flat, worn trails clipped into the grass itself are vole runways. Moles hunt worms and grubs under your turf; voles eat the grass and bark on top of it — so telling them apart decides everything about what to do next. Read the guide →
Not sure where to start?
Answer four quick questions about what you found and we'll point you to the most likely guides.
Identify a clue