Habitat & Ecology comparison

Giant Anteater vs Aardvark: Key Differences Explained

The short answer

They eat the same food on different continents and are not related. The giant anteater is a South American xenarthran with a long tubular snout, no teeth of any kind, an enormous plume of a tail, and huge foreclaws that force it to walk on its knuckles. The aardvark is an African mammal that is the only living member of its order, with a pig-like snout, tall mobile ears, a thick nearly bare tail, and a stocky frame built for excavating burrows.

The main difference

The giant anteater is a toothless South American xenarthran with a plume tail that walks on its knuckles; the aardvark is an African burrower in an order of its own with tall ears and rootless column-built teeth.

Both animals fill the same ecological job of opening ant and termite nests, yet they belong to lineages on opposite sides of the mammal family tree and opposite sides of the Atlantic, which makes the pair a compact demonstration of what convergent evolution does and does not imply.

At a glance

Comparison of Giant Anteater and Aardvark across 7 dimensions, with an interpretation of each difference.
What differs	Giant Anteater	Aardvark	What it means
Continent	Central and South America, from Honduras south through much of the continent	Sub-Saharan Africa, from the Sahel south to the Cape	Geography alone resolves the pair, which is why the confusion lives in photographs.
Tail	Very large and bushy, frequently draped over the body as a cover while resting	Thick, tapering and nearly hairless, broad at the base and used as a brace when digging	The tail is the single fastest field mark separating the two silhouettes.
Ears	Small and rounded, set well back on a long narrow head	Long, upright and highly mobile, superficially rabbit-like or donkey-like	Ear shape reflects different priorities: streamlining versus acute nocturnal hearing.
Gait and claws	Walks on the knuckles of the forefeet to keep very long curved claws off the ground	Walks on the soles, with spade-shaped claws that break termite mounds and dig burrows	The knuckle-walk is diagnostic and visible in almost any photograph of a giant anteater.
Teeth	No teeth at all at any age	Rootless cheek teeth built from bundled columns of dentine, the feature that named the order	The aardvark's unusual tooth structure is precisely why it sits in an order by itself.
Shelter	Digs no den; rests in dense vegetation or a shallow scrape, often covered by its own tail	Excavates extensive burrows that many other African species subsequently occupy	Aardvark digging supports a whole community of secondary users; anteater digging does not.
Lineage	Order Pilosa in the superorder Xenarthra, with sloths as its closest living relatives	Sole living member of Tubulidentata, within Afrotheria alongside elephants and hyraxes	Their nearest kin — sloths on one side, elephants on the other — could hardly differ more.

Continent: Giant AnteaterCentral and South America, from Honduras south through much of the continent
AardvarkSub-Saharan Africa, from the Sahel south to the Cape
Geography alone resolves the pair, which is why the confusion lives in photographs.
Tail: Giant AnteaterVery large and bushy, frequently draped over the body as a cover while resting
AardvarkThick, tapering and nearly hairless, broad at the base and used as a brace when digging
The tail is the single fastest field mark separating the two silhouettes.
Ears: Giant AnteaterSmall and rounded, set well back on a long narrow head
AardvarkLong, upright and highly mobile, superficially rabbit-like or donkey-like
Ear shape reflects different priorities: streamlining versus acute nocturnal hearing.
Gait and claws: Giant AnteaterWalks on the knuckles of the forefeet to keep very long curved claws off the ground
AardvarkWalks on the soles, with spade-shaped claws that break termite mounds and dig burrows
The knuckle-walk is diagnostic and visible in almost any photograph of a giant anteater.
Teeth: Giant AnteaterNo teeth at all at any age
AardvarkRootless cheek teeth built from bundled columns of dentine, the feature that named the order
The aardvark's unusual tooth structure is precisely why it sits in an order by itself.
Shelter: Giant AnteaterDigs no den; rests in dense vegetation or a shallow scrape, often covered by its own tail
AardvarkExcavates extensive burrows that many other African species subsequently occupy
Aardvark digging supports a whole community of secondary users; anteater digging does not.
Lineage: Giant AnteaterOrder Pilosa in the superorder Xenarthra, with sloths as its closest living relatives
AardvarkSole living member of Tubulidentata, within Afrotheria alongside elephants and hyraxes
Their nearest kin — sloths on one side, elephants on the other — could hardly differ more.

How they are related

The giant anteater, Myrmecophaga tridactyla, is one of four living anteater species and belongs to the order Pilosa alongside the sloths, inside the New World superorder Xenarthra. The aardvark, Orycteropus afer, is the only surviving member of the order Tubulidentata and falls within Afrotheria, the African radiation that also produced elephants, hyraxes, sea cows and tenrecs. Nothing about their similarity reflects shared ancestry; it reflects the same job being done twice on separate landmasses.

A note on naming: The giant anteater is one of four living anteater species, so statements here about giant anteaters do not automatically apply to tamanduas or the silky anteater. Aardvark refers to a single species, Orycteropus afer, though regional populations vary in size and coat.

Telling them apart

The tail decides it in a glance. A giant anteater carries a spectacular plume-like tail, a narrow tube of a head with a tiny mouth opening, and a bold diagonal band of black bordered with white across the shoulder. An aardvark shows a thick hairless tail, tall upright ears, a blunt fleshy snout and sparse pale hair over pinkish-grey skin. Anteaters travel with the forefeet curled under; aardvarks move flat-footed on all four soles.

A bushy flag of a tail, almost no visible ears, knuckle-walking through South American grassland: giant anteater. Tall donkey-like ears, a bare thick tail, a fleshy pig-like snout, flat-footed in African bush: aardvark. Teeth present but strange and rootless: aardvark. No teeth whatsoever: giant anteater. Emerging from a burrow it dug itself: aardvark, because giant anteaters do not make dens.

Habitat and distribution

Giant anteaters use grassland, savannah, wetland margins and forest from Central America through much of South America, favouring country with abundant ant and termite nests within reach. Aardvarks range widely across sub-Saharan Africa in savannah, grassland, woodland and bushland, essentially wherever termites are plentiful and soil is workable. An ocean separates the two ranges, so a genuine field confusion is impossible and the mix-up happens only in images, quizzes and museum labels.

Diet and ecological role

Both specialise on social insects and both deploy a long, sticky, exceptionally fast tongue. The giant anteater opens a nest with its claws, feeds for a short burst and moves on, visiting a great many nests across a day rather than destroying any one of them. The aardvark breaks into termite mounds and also takes ants, and unusually for a strict insectivore it is documented eating a wild cucurbit that supplies moisture. Neither chews in any conventional sense.

Behaviour

Giant anteaters are largely solitary and may be active by day or night depending on temperature and disturbance; a single young rides on the mother's back, its shoulder stripe lining up with hers so the pair reads as one animal. Aardvarks are strongly nocturnal, emerging well after dark and returning underground before daylight. Abandoned aardvark burrows are reused by warthogs, hyenas, porcupines, birds and reptiles, giving the species an outsized structural role in African ecosystems.

Senses and adaptations

Both are led by smell. The giant anteater locates nests almost entirely by scent, sees poorly, and flicks a tongue coated by unusually large salivary glands many times a minute. The aardvark pairs a keen nose with elaborate fleshy nasal structures and dense hair that filter dust, and it can fold its ears closed while digging. Aardvark cheek teeth lack enamel and grow continuously, an arrangement not found in any other living mammal.

More on this topic: Animal senses and adaptations.

Lifespan and life stages

Published figures for giant anteaters commonly cite around fourteen to sixteen years under managed care, with shorter and much less certain averages in the wild. Aardvark records in captivity have exceeded twenty years, while wild longevity is poorly measured because the animals are nocturnal, subterranean and difficult to follow. Both sets of numbers rest on small samples, and fire, drought, predation and vehicle strikes push wild averages well below any captive maximum.

People and these animals

Both are affected by habitat conversion and both are killed on roads. Giant anteaters additionally suffer from grassland fires and agricultural expansion, and populations are declining across parts of the range. Aardvarks are hunted locally in some areas and are sensitive to droughts that suppress termite activity, but they remain widespread across the continent. Neither species is domesticated or suited to being kept, and both receive legal protection in parts of their respective ranges.

What they have in common

Both are mammalian specialists on ants and termites with long sticky tongues.
Both find food primarily by scent rather than by sight.
Both use heavy foreclaws to break into hard nests and mounds.
Both are largely solitary and rear a single young at a time.
Both face habitat conversion and road mortality across parts of their ranges.

Key differences

Giant anteaters live in the Americas; aardvarks live in sub-Saharan Africa.
The giant anteater has a huge bushy tail, while the aardvark's is thick and nearly bare.
Aardvark ears are tall and mobile; anteater ears are small and inconspicuous.
Giant anteaters have no teeth, whereas aardvarks have rootless columnar cheek teeth.
Aardvarks dig burrows that other species reuse; giant anteaters build no den.
The anteater's closest relatives are sloths; the aardvark's are elephants and hyraxes.

Where people go wrong

Treating aardvark as a general word for anteater, when it names one African species in its own order.
Assuming the shared ant diet implies a shared lineage rather than convergent evolution.
Expecting the aardvark to be toothless like the giant anteater, when its teeth are merely unusual.
Believing giant anteaters live in burrows, when they dig only for food and rest above ground.

Frequently asked questions

Is an aardvark a type of anteater?

No. Aardvark is sometimes used loosely as a synonym for anteater in casual speech, but the true anteaters are American xenarthrans in the order Pilosa, while the aardvark is the only living member of Tubulidentata and belongs to the African group Afrotheria. Calling an aardvark an anteater describes its diet accurately and its ancestry not at all, which is exactly where the confusion begins.

Do giant anteaters and aardvarks both lack teeth?

Only the giant anteater is genuinely toothless. Aardvarks have cheek teeth, but very unusual ones: they lack enamel, have no roots, grow continuously, and are built from bundled columns of dentine, which is what gives the order Tubulidentata its name. So if the animal in a photograph has any teeth at all, however strange they look, it is not a giant anteater.

Why does a giant anteater walk on its knuckles?

Its front claws are extremely long and are the tools it uses to break open hard nests, so keeping them sharp and undamaged matters. Folding the claws inward and bearing weight on the knuckles protects the tips during travel. Aardvarks solve the same problem differently, with shorter, blunter spade-shaped claws that tolerate ground contact, which lets them walk flat-footed on all four feet.

Do aardvarks and giant anteaters both dig burrows?

Only the aardvark does. It excavates extensive burrow systems used for sleeping and for raising young, and abandoned burrows are then occupied by warthogs, porcupines, hyenas, birds and reptiles, which makes the aardvark an important habitat provider. Giant anteaters dig into nests for food but make no den; they rest in vegetation or a shallow scrape, commonly with the tail pulled over as cover.

Could a giant anteater and an aardvark meet in the wild?

No. Giant anteaters are confined to Central and South America and aardvarks to sub-Saharan Africa, with no natural overlap, so any apparent meeting is a zoo, an illustration or a composite. That geographic separation is the most reliable single filter for the pair: if the surrounding habitat is African savannah it is an aardvark, and if it is South American grassland it is a giant anteater.

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 — Myrmecophaga tridactyla (giant anteater) — University of Michigan species account
ReferenceBritannica — Giant anteater (Myrmecophaga tridactyla) — Editor-reviewed encyclopedia entry
Wildlife referenceIUCN Red List of Threatened Species — Authoritative source for current conservation status
UniversityAnimal Diversity Web — Orycteropus afer (aardvark) — University of Michigan species account
ReferenceBritannica — Aardvark — 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

Last updated: 2026-08-04