Look-Alike Animals comparison

Armadillo vs Pangolin: Key Differences Explained

The short answer

Both wear armour, but the armour is made of different tissue and the animals sit in different mammal orders. An armadillo's shell is built from bony plates formed within the skin under a thin horny covering, and armadillos belong to Cingulata, a New World group allied with sloths and anteaters. A pangolin is sheathed in large overlapping scales of keratin, the protein of hair and nails, and belongs to Pholidota, an Old World order whose nearest living relatives are the carnivorans.

The main difference

Armadillo armour is bone formed inside the skin, while pangolin armour is overlapping keratin scales, and the two belong to separate mammal orders on separate continents.

Photographs of the two are swapped constantly, and the pair is one of the cleanest illustrations of convergent evolution in mammals: the same defensive shape reached twice, from different tissue, on different continents, by lineages that are nowhere near each other.

At a glance

Comparison of Armadillo and Pangolin across 7 dimensions, with an interpretation of each difference.
What differs	Armadillo	Pangolin	What it means
Armour material	Bony plates called osteoderms, grown within the skin and topped by a thin horny layer	Large overlapping scales of keratin, the same protein found in hair, claws and nails	Identical function reached from entirely different tissue — the textbook mammalian convergence.
Order and nearest relatives	Order Cingulata, within Xenarthra alongside sloths and anteaters	Order Pholidota, whose closest living relatives are the carnivorans	The resemblance is skin deep; their respective families share nothing but a body outline.
Where they live	The Americas, from the southern United States through much of South America	Sub-Saharan Africa plus southern and southeastern Asia	The two never meet in the wild, so the confusion arises in images rather than in the field.
Rolling into a ball	Only the two three-banded armadillos close into a complete sphere; most species cannot	Curls tightly with the tail wrapped over the body and the head enclosed	The rolling habit is routinely generalised to all armadillos, which the anatomy does not support.
Teeth	Numerous simple peg-like teeth lacking enamel, without incisors or canines	No teeth at all; a muscular stomach grinds prey, sometimes assisted by swallowed grit	Both take social insects, but only one processes them with anything resembling a tooth.
Feeding apparatus	Digging claws plus a mobile snout used to root through soil and leaf litter	A very long sticky tongue anchored deep in the chest, paired with heavy tearing foreclaws	The pangolin is by far the more committed ant and termite specialist of the two.
Pressure from trade	Habitat conversion, road mortality and local hunting; several species remain common	Heavy trafficking for scales and meat across Africa and Asia	Illegal trade, not habitat alone, is the defining conservation difference between the groups.Status varies by species and is revised regularly; consult the current IUCN Red List.

Armour material: ArmadilloBony plates called osteoderms, grown within the skin and topped by a thin horny layer
PangolinLarge overlapping scales of keratin, the same protein found in hair, claws and nails
Identical function reached from entirely different tissue — the textbook mammalian convergence.
Order and nearest relatives: ArmadilloOrder Cingulata, within Xenarthra alongside sloths and anteaters
PangolinOrder Pholidota, whose closest living relatives are the carnivorans
The resemblance is skin deep; their respective families share nothing but a body outline.
Where they live: ArmadilloThe Americas, from the southern United States through much of South America
PangolinSub-Saharan Africa plus southern and southeastern Asia
The two never meet in the wild, so the confusion arises in images rather than in the field.
Rolling into a ball: ArmadilloOnly the two three-banded armadillos close into a complete sphere; most species cannot
PangolinCurls tightly with the tail wrapped over the body and the head enclosed
The rolling habit is routinely generalised to all armadillos, which the anatomy does not support.
Teeth: ArmadilloNumerous simple peg-like teeth lacking enamel, without incisors or canines
PangolinNo teeth at all; a muscular stomach grinds prey, sometimes assisted by swallowed grit
Both take social insects, but only one processes them with anything resembling a tooth.
Feeding apparatus: ArmadilloDigging claws plus a mobile snout used to root through soil and leaf litter
PangolinA very long sticky tongue anchored deep in the chest, paired with heavy tearing foreclaws
The pangolin is by far the more committed ant and termite specialist of the two.
Pressure from trade: ArmadilloHabitat conversion, road mortality and local hunting; several species remain common
PangolinHeavy trafficking for scales and meat across Africa and Asia
Illegal trade, not habitat alone, is the defining conservation difference between the groups.Status varies by species and is revised regularly; consult the current IUCN Red List.

How they are related

Armadillos make up the order Cingulata within the superorder Xenarthra, sharing that grouping with sloths and anteaters, and they are exclusively American; roughly twenty living species are recognised depending on the authority consulted. Pangolins form the order Pholidota, with eight living species divided between Africa and Asia, and molecular work places them closest to the carnivorans. A very deep split separates the two orders, and neither has any relationship to reptiles despite the scaly impression both give.

A note on naming: Armadillo covers roughly twenty living species across several genera and pangolin covers eight, so both names describe groups rather than single animals, and traits such as size, climbing ability and rolling behaviour differ across species.

Telling them apart

Read the surface of the armour. An armadillo's back divides into a front shield, a set of movable bands and a rear shield, with a tiled, pebbled texture and often coarse hairs projecting between plates. A pangolin is clad in large individual scales that overlap like roof tiles or artichoke leaves, each with a visible free edge. Pangolin scales are keratin and lie on the skin, whereas armadillo plates are bone and are effectively part of the skeleton.

Overlapping scales with visible individual edges, photographed in Africa or Asia: pangolin. A banded bony shell with distinct front and rear shields and hairs poking between plates, photographed in the Americas: armadillo. Rolled into a tidy sphere with a tail wrapped over the top: almost always a pangolin, or one of the two three-banded armadillos. No teeth whatsoever in an open mouth: pangolin, every time.

Habitat and distribution

Armadillos occupy grassland, scrub, dry forest and rainforest across South and Central America, and the nine-banded armadillo has expanded into the southern United States. Pangolins inhabit African savannah and forest and a swathe of South and Southeast Asia, in country ranging from grassland to rainforest. Some pangolin species are strongly arboreal and use prehensile tails, while others are committed ground dwellers. The two groups have no natural overlap anywhere on the planet.

Diet and ecological role

Both dig into ant and termite nests, but they reach the same food by different routes. Armadillos are more flexible than their reputation suggests: many species take a wide spread of invertebrates plus some plant material, fungi and carrion, and their peg-like teeth cope with the variety. Pangolins are strict myrmecophages, drawing insects out with a long tongue and grinding them in a muscular stomach that sometimes contains swallowed grit. Pangolin diets are considerably narrower.

Behaviour

Armadillos are mostly solitary and mainly nocturnal or crepuscular, and they dig burrows for shelter; several species swim well, and some cross water either by inflating the gut or by walking along the bottom. Pangolins are likewise solitary and largely nocturnal, and their response to threat is to curl into a ball that the scales protect from most directions. Several pangolin species climb readily using prehensile tails, while others excavate deep burrows.

Senses and adaptations

Both are led by scent rather than sight. Armadillos have small eyes and weak vision, locating invertebrates by smell and touch below the surface, and their shells stay flexible because the movable bands hinge between the fixed shields. Pangolin scales are shed and regrown throughout life, are sharp-edged in several species, and interlock when the animal curls. The pangolin tongue is anchored far back near the pelvis, allowing extension remarkable for the animal's size.

More on this topic: Animal senses and adaptations.

Lifespan and life stages

Firm wild figures are scarce for both groups. Nine-banded armadillos are often cited at roughly twelve to fifteen years under managed care with shorter and less certain wild averages, and other armadillo species differ. Pangolin longevity is poorly documented because the animals historically did badly in captivity; individual records exist but should not be read as species norms. Small samples, species differences and the difficulty of following nocturnal burrowers make confident numbers unavailable for either order.

People and these animals

The conservation stories diverge sharply. Pangolins have become among the most heavily trafficked wild mammals, taken for scales and meat, and international protections have been tightened in response; all eight species carry concern to differing degrees. Armadillos face habitat conversion, vehicle strikes and local hunting, yet several species remain widespread. Some armadillos are also used in leprosy research because their low body temperature suits the bacterium involved, which is why contact with wild individuals is discouraged.

What they have in common

Both are mammals whose backs are covered by rigid protective armour.
Both feed heavily on ants and termites and break into nests with strong foreclaws.
Both are largely solitary and mostly active at night or around dusk.
Both rely far more on smell than on sight to find food.
Both include burrowing species that create shelters used by other animals.

Key differences

Armadillo armour is bone grown in the skin; pangolin armour is overlapping keratin scales.
Armadillos are American; pangolins are African and Asian, with no natural overlap.
Armadillos have simple peg-like teeth, while pangolins have no teeth at all.
Only three-banded armadillos roll fully into a ball, whereas all pangolins do.
Armadillos sit in Xenarthra with sloths; pangolins sit nearest the carnivorans.
Pangolins face intense trafficking pressure that armadillos as a group do not.

Where people go wrong

Assuming armadillos and pangolins are relatives because both are armoured insect eaters.
Believing every armadillo can curl into a complete ball, when only the three-banded species can.
Describing pangolin scales as bone or armadillo plates as keratin, reversing both.
Calling either animal a reptile because of the scaled or plated surface.

Frequently asked questions

Are armadillos and pangolins related to each other?

No, and not closely at all. Armadillos belong to Cingulata within the New World superorder Xenarthra, whose other members are sloths and anteaters. Pangolins form Pholidota, an Old World order that molecular studies place nearest the carnivorans. Their shared armoured, digging, insect-eating body plan is convergence, the independent arrival at a similar solution, rather than any evidence of common descent.

Are pangolin scales the same thing as an armadillo's shell?

They are not. Pangolin scales are keratin, the protein that also makes hair, claws and fingernails, and they overlap loosely on the skin, shedding and regrowing through life. An armadillo's shell is built from osteoderms, plates of bone that form within the skin and are covered by a thin horny layer. One armour is essentially hair-like; the other is essentially skeletal.

Can every armadillo roll into a ball like a pangolin can?

No, and this is the most common error made about armadillos. Only the two three-banded armadillo species can enclose themselves completely. Most armadillos, including the widespread nine-banded armadillo, cannot; they run, wedge into vegetation or dig instead. Pangolins, by contrast, all curl tightly and wrap the tail over the body, which is their standard response to disturbance.

Why are pangolins trafficked so heavily when armadillos are not?

Demand is the difference. Pangolin scales and meat are sought in several markets, which has driven large-scale illegal trade across Africa and Asia and prompted stronger international protections. Armadillos face habitat conversion, road mortality and localised hunting, but nothing comparable in scale to a cross-continental trade. That difference in commercial pressure, rather than biology, explains the two groups' very different conservation trajectories.

Could an armadillo and a pangolin ever be seen together in the wild?

Not naturally. Armadillos are restricted to the Americas and pangolins to Africa and Asia, so no wild range overlaps. Any photograph showing both together is from a zoo or is composited. This makes the pairing purely a picture-and-quiz confusion rather than a field identification problem, which is also why continent alone is a reliable first filter when you see one.

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 — Dasypus novemcinctus (nine-banded armadillo) — University of Michigan species account
ReferenceEncyclopaedia Britannica — Animals reference — Editor-reviewed encyclopedia overview entries
Wildlife referenceIUCN Red List of Threatened Species — Authoritative source for current conservation status
UniversityAnimal Diversity Web — Manis javanica (Sunda pangolin) — University of Michigan species account
ReferenceBritannica — Pangolin — Editor-reviewed encyclopedia entry
UniversityAnimal Diversity Web — University of Michigan Museum of Zoology — Peer-edited reference accounts for animal species
Wildlife referenceSmithsonian's National Zoo & Conservation Biology Institute — Animals — Educational species pages from the Smithsonian Institution

Last updated: 2026-08-04