Look-Alike Animals comparison

Mole vs Shrew: Key Differences Explained

The short answer

Both are small insect-eating mammals rather than rodents, and the front feet decide it. A mole has enormously enlarged forelimbs turned outward like paddles, with broad spade-shaped palms, a cylindrical body, velvety fur that lies in any direction, and eyes so reduced they are usually hidden. A shrew keeps small ordinary feet, a slender mouse-like body, tiny but visible eyes and a long pointed snout that twitches constantly as it forages through litter and surface runways.

The main difference

A mole has huge outward-turned digging forelimbs and eyes hidden beneath skin or fur; a shrew has small ordinary feet, visible eyes and a long twitching snout used above ground.

Both are small, dark, pointy-nosed insectivores often turned up in the same gardens and fields and both are mistaken for rodents, yet one is built to spend its life underground and the other is built to move fast across the surface.

At a glance

Comparison of Mole and Shrew across 7 dimensions, with an interpretation of each difference.
What differs	Mole	Shrew	What it means
Forelimbs	Massively enlarged and rotated outward, with broad spade-like palms and heavy claws	Small and unremarkable, proportioned like those of a mouse	One animal's front end is a digging tool; the other's is simply a set of feet.
Eyes	Extremely reduced and often covered by skin or fur, capable of little beyond light detection	Small but plainly visible and functional, though vision is still secondary to smell and touch	Eye visibility is the quickest check when only the head is showing.
Body and fur	Cylindrical, almost neckless, with short velvety fur that lies in any direction	Slender and mouse-shaped with ordinary directional fur, usually grey-brown	Fur that lies both ways lets a mole reverse along a tunnel without being brushed the wrong way.
Snout	Fleshy, mobile and highly sensitive; the star-nosed mole carries a ring of twenty-two tentacles	Long, narrow, pointed and in near-constant motion while foraging	Both snouts are touch organs, but the mole's is the more extreme adaptation.
Signs left behind	Raised soil mounds and shallow ridged surface tunnels pushed up in lawns, pasture and field margins	Narrow runways worn through grass and leaf litter, with no soil mounds	Soil mounds are a mole sign; a shrew moves through existing cover rather than excavating it.
Activity and metabolism	Active in bouts around the clock within a tunnel system, patrolling for prey that falls in	Very high metabolic rate driving frequent short foraging bouts through day and night	Neither animal is strictly nocturnal, which is why both turn up at unexpected hours.
Family	Family Talpidae within the order Eulipotyphla	Family Soricidae within the order Eulipotyphla	They are related at order level but sit in separate families, and neither is a rodent.

Forelimbs: MoleMassively enlarged and rotated outward, with broad spade-like palms and heavy claws
ShrewSmall and unremarkable, proportioned like those of a mouse
One animal's front end is a digging tool; the other's is simply a set of feet.
Eyes: MoleExtremely reduced and often covered by skin or fur, capable of little beyond light detection
ShrewSmall but plainly visible and functional, though vision is still secondary to smell and touch
Eye visibility is the quickest check when only the head is showing.
Body and fur: MoleCylindrical, almost neckless, with short velvety fur that lies in any direction
ShrewSlender and mouse-shaped with ordinary directional fur, usually grey-brown
Fur that lies both ways lets a mole reverse along a tunnel without being brushed the wrong way.
Snout: MoleFleshy, mobile and highly sensitive; the star-nosed mole carries a ring of twenty-two tentacles
ShrewLong, narrow, pointed and in near-constant motion while foraging
Both snouts are touch organs, but the mole's is the more extreme adaptation.
Signs left behind: MoleRaised soil mounds and shallow ridged surface tunnels pushed up in lawns, pasture and field margins
ShrewNarrow runways worn through grass and leaf litter, with no soil mounds
Soil mounds are a mole sign; a shrew moves through existing cover rather than excavating it.
Activity and metabolism: MoleActive in bouts around the clock within a tunnel system, patrolling for prey that falls in
ShrewVery high metabolic rate driving frequent short foraging bouts through day and night
Neither animal is strictly nocturnal, which is why both turn up at unexpected hours.
Family: MoleFamily Talpidae within the order Eulipotyphla
ShrewFamily Soricidae within the order Eulipotyphla
They are related at order level but sit in separate families, and neither is a rodent.

How they are related

True moles are the family Talpidae and true shrews the family Soricidae, both within Eulipotyphla, the insectivore order that also holds hedgehogs and solenodons. The names travel badly: golden moles belong to Chrysochloridae in the African group Afrotheria, marsupial moles are marsupials, and elephant shrews and tree shrews are neither shrews nor closely related to them. So mole and shrew are useful shorthand for a body plan more often than they are precise taxonomic labels.

A note on naming: Mole and shrew are both broad common names. True moles are Talpidae and true shrews Soricidae, but golden moles, marsupial moles, elephant shrews and tree shrews carry the same words while belonging to entirely different lineages.

Telling them apart

Check the front feet first. A mole's forelimbs are so enlarged and so obviously turned outward that no other small mammal in the same habitat looks remotely similar, and its eyes are effectively invisible. A shrew looks like a slim mouse with an exaggerated pointed nose and small visible eyes, and it moves in quick nervous bursts. Teeth also help: shrew teeth are often tipped reddish-brown from iron deposition in several genera, which mice never show.

Huge outward-facing spade hands, no visible eyes, a barrel of a body: mole. Mouse-shaped, small visible eyes, long twitching pointed nose, running through grass: shrew. Fresh soil mounds mean mole. A narrow bare runway through the grass with no excavated soil means shrew. Reddish tooth tips mean shrew, and neither animal is a mouse or a vole regardless of how similar the size looks.

Habitat and distribution

Moles occupy soils they can tunnel efficiently, favouring moist, workable ground in grassland, pasture, woodland, gardens and river meadows, and they are largely absent from very dry, rocky or waterlogged sites. Shrews use a much wider spread of habitat, including woodland floor, hedgerow, grassland, marsh and even alpine ground, and several species are semi-aquatic. The two overlap constantly in the same fields, but they occupy different layers of the same few centimetres of ground.

Diet and ecological role

Both are invertebrate specialists with enormous appetites relative to size. Moles take earthworms above all, plus insect larvae and other soil animals, and several species store immobilised worms in caches within the tunnel system. Shrews eat insects, spiders, worms, snails and other small invertebrates, and some also take small vertebrates or carrion. In both cases the metabolic demand is high enough that prolonged periods without food are a serious problem for the animal.

Behaviour

Moles are solitary and territorial, maintaining tunnel systems they patrol repeatedly, and they push excavated soil to the surface as mounds while extending shallow feeding runs. Shrews are also aggressively solitary but active above ground, moving through runways in vegetation and litter and defending small territories with loud high-pitched calls. Some shrew species use ultrasonic pulses that appear to serve a simple echo-orientation function in cluttered spaces near the ground.

Senses and adaptations

Both trade vision for touch. Moles carry dense arrays of touch receptors on the snout, and the star-nosed mole's twenty-two fleshy rays form one of the most sensitive touch organs described in any mammal, allowing extremely rapid prey identification underground. Shrews combine a mobile whiskered snout with acute hearing, and several species produce ultrasonic calls that appear to give coarse spatial information in dense litter where sight is useless.

More on this topic: Animal senses and adaptations.

Lifespan and life stages

Shrews are famously short-lived, with many species completing a life in little more than a year to eighteen months, a pace consistent with their extreme metabolic rate. Moles generally live longer, with published figures commonly in the range of three to six years in the wild for well-studied species. Both estimates come from limited trapping and tracking studies, differ between species and regions, and describe averages rather than any individual animal's expectation.

People and these animals

Both are frequently encountered by accident: a mole through the mounds it leaves in lawns and pasture, a shrew when a cat brings one in or when one is found dead on a path, since shrews are often caught and then rejected because of scent glands. Both are protected under wildlife law in some countries and unprotected in others. Questions about animals on your land should go to a local wildlife authority or agricultural extension service.

What they have in common

Both are small insectivores in the order Eulipotyphla, not rodents.
Both have very high metabolic rates and must feed frequently.
Both rely mainly on touch and smell rather than vision.
Both are solitary and territorial towards their own kind.
Both are active in bouts across day and night rather than strictly at one time.

Key differences

Mole forelimbs are enormous outward-facing spades; shrew feet are small and ordinary.
Mole eyes are hidden or skin-covered, while shrew eyes are small but visible.
Moles excavate permanent tunnel systems and push up soil mounds; shrews do not.
Mole fur is velvety and lies in any direction, whereas shrew fur is ordinary and directional.
Moles specialise on earthworms and soil larvae; shrews take a broader range of invertebrates.
Shrews typically live little more than a year, while moles usually live several.

Where people go wrong

Calling either animal a mouse or a vole because of size and colour.
Assuming every animal named mole is a talpid, when golden moles and marsupial moles are unrelated.
Crediting shrews with molehills, which shrews do not produce.
Treating elephant shrews and tree shrews as shrews, when neither is in Soricidae.

Frequently asked questions

Are moles and shrews rodents like mice?

Neither is a rodent. Both belong to Eulipotyphla, the insectivore order that also contains hedgehogs, whereas mice and voles are rodents in a completely separate order. The clearest tell is the teeth: rodents have a single pair of large ever-growing gnawing incisors, while moles and shrews have many small sharp teeth suited to invertebrates, with reddish tips in several shrew genera.

Did a mole or a shrew make the mounds of soil in my lawn?

Mounds of freshly excavated soil are a mole sign, because shrews do not dig extensive tunnel systems or push spoil to the surface. Shrews leave narrow runways worn through grass and litter instead. This page identifies the animal only and gives no control, trapping or removal guidance; for questions about wildlife on your property, contact a local wildlife authority or agricultural extension service.

Do shrews dig tunnels the way moles do?

Not in the same way. Some shrews make shallow burrows or use the tunnels and runways of other animals, including abandoned mole runs, but no shrew has the specialised digging forelimbs that let a mole excavate and maintain a large permanent system. A shrew's default is to move through existing cover such as grass, leaf litter and root spaces rather than to create its own passages.

Is it true that some shrews have venomous saliva?

Several shrew species, including some short-tailed shrews, are documented as producing toxic saliva used to subdue invertebrate prey, which is unusual among mammals. Moles are not known to do this. The relevance to people is minimal because neither animal seeks contact, and wild mammals should be left alone; any concern about a bite or an exposure should be taken to a doctor rather than resolved from a web page.

Why do moles have such tiny eyes when shrews can see?

A mole spends nearly its whole life in dark tunnels, where eyes offer almost no advantage and are vulnerable to abrasion from soil, so the eyes are reduced and often skin-covered while touch receptors on the snout take over. A shrew forages above ground in litter and vegetation, where at least some visual information is still useful, so its eyes remain small but functional.

Read the full profiles

Sources and methodology

How this comparison is built: FaunaHub comparisons are assembled from the sourced animal profiles behind them rather than written as standalone claims. Figures such as size, mass, and lifespan are typical ranges that vary by subspecies, population, region, sex, age, and — where relevant — whether an animal lives in the wild or under human care, so they are presented as ranges rather than fixed values. Where a common name covers a group rather than a single species, the page says so instead of implying a species-to-species match. Conservation status changes over time and should be confirmed against the current IUCN Red List. Dimensions that could not be supported from the underlying profiles are omitted rather than filled in.

What this page does not do: it does not rank the two animals, predict the outcome of a confrontation, or present either one as stronger, smarter, or better. It is not veterinary, medical, first-aid, handling, capture, hunting, or pest-control guidance. For an animal in your care, or any situation involving injury, contact a qualified veterinarian, your local wildlife authority, or emergency services.

Sources and further reading

Authoritative references used for general educational context. External links open in a new tab. These sources do not endorse FaunaHub.

UniversityAnimal Diversity Web — Talpa europaea (European mole) — University of Michigan species account
ReferenceBritannica — Mole — Editor-reviewed encyclopedia entry
Wildlife referenceIUCN Red List of Threatened Species — Authoritative source for current conservation status
UniversityAnimal Diversity Web — Sorex araneus (common shrew) — University of Michigan species account
ReferenceBritannica — Shrew — Editor-reviewed encyclopedia entry
UniversityAnimal Diversity Web — University of Michigan Museum of Zoology — Peer-edited reference accounts for animal species
ReferenceEncyclopaedia Britannica — Animals reference — Editor-reviewed encyclopedia overview entries
Wildlife referenceSmithsonian's National Zoo & Conservation Biology Institute — Animals — Educational species pages from the Smithsonian Institution

Last updated: 2026-08-04