Quick Facts

Attribute	Detail
Scientific name	Mammuthus primigenius
Pronunciation	mam-OO-thus prim-ih-JEE-nee-us
Name meaning	Mammuthus: mammoth; primigenius: primeval or first-born
Classification	Animalia > Chordata > Mammalia > Proboscidea > Elephantidae > Mammuthus > M. primigenius
Period	Middle Pleistocene–Holocene, approximately 400,000–4,000 years ago
Found in	Northern Eurasia, Beringia, North America; frozen specimens concentrated in Siberia
Diet	Herbivore — grasses, sedges, and herbaceous plants; seasonal browse supplement
Shoulder height	2.7–3.4 m (8.9–11.2 ft) — adult males
Weight	5,500–8,000 kg (12,100–17,600 lb) — adult males
Status	Extinct

Quick Answer: Woolly mammoth facts reveal a large Ice Age mammal that lived from approximately 400,000 to 4,000 years ago across northern Eurasia and North America. Closely related to modern elephants, it stood up to 3.4 metres (11.2 ft) tall, ate cold-steppe grasses, and went extinct due to a combination of climate change and human hunting pressure.

Woolly mammoth facts place this species firmly in the age of humans, not the age of dinosaurs. The last mammoths died approximately 4,000 years ago — when the pyramids of Giza were already standing — making them among the most recent large mammals to go extinct. Every aspect of the woolly mammoth, from its grass-grinding teeth to its freeze-preserved carcasses to the gene-editing programmes now targeting its DNA, rewards a closer look. The posts in this cluster go deeper on each topic.

Woolly Mammoth Overview

The woolly mammoth (Mammuthus primigenius) was a cold-adapted proboscidean that inhabited the mammoth steppe of northern Eurasia and North America during the Pleistocene. It survived multiple glacial-interglacial cycles before disappearing near the end of the Holocene as climatic warming, habitat change, and human pressures affected remaining populations.

Feature	Detail
Closest living relative	Asian elephant (Elephas maximus)
Evolutionary origin	Evolved from the steppe mammoth (Mammuthus trogontherii) during the Middle Pleistocene
Key cold adaptations	Dense fur coat, thick subcutaneous fat layer, reduced ears, and a domed skull with a fat-rich shoulder hump
Cultural significance	Depicted in Palaeolithic cave art and known to have coexisted with prehistoric human populations
Formal description	Described by Johann Friedrich Blumenbach in 1799

Woolly Mammoth Size and Anatomy

Feature	Detail
Shoulder height — males	Approximately 2.7–3.4 m (8.9–11.2 ft)
Shoulder height — females	Generally smaller than males, typically 2.0–2.6 m (6.6–8.5 ft)
Body mass — males	Commonly estimated at 5,500–8,000 kg (12,100–17,600 lb)
Maximum tusk length	Large individuals could develop tusks exceeding 4 m (13 ft) in length
Coat	Dense underwool beneath long guard hairs, combined with a substantial insulating fat layer

Woolly mammoths were broadly comparable in size to modern elephants but possessed several distinctive adaptations for cold environments. Their compact ears, thick fur, extensive fat deposits, and characteristic shoulder hump helped conserve heat and store energy during long Ice Age winters.

For more details, see our full post on woolly mammoth size and anatomy.

What Did Woolly Mammoths Eat?

Feature	Detail
Primary diet	Grasses and sedges (Poaceae and Cyperaceae)
Secondary diet	Herbaceous plants, shrubs, and seasonal browse
Evidence types	Gut contents, dental microwear, stable isotope studies, and coprolites
Feeding ecology	Large grazing herbivore adapted to open grass-dominated environments

Woolly mammoths were primarily grazers that fed on the vegetation of the mammoth steppe. Fossil evidence from stomach contents, preserved dung, and tooth wear patterns indicates a diet dominated by grasses and sedges, supplemented by other plants when available.

For more details, see our full post on what woolly mammoths ate.

Woolly Mammoth vs Mastodon

Feature	Woolly Mammoth	American Mastodon
Family	Elephantidae	Mammutidae
Relationship	More closely related to modern elephants	More distantly related proboscidean lineage
Size	Up to approximately 3.4 m (11.2 ft) at the shoulder	Typically smaller, reaching about 2.3–2.8 m (7.5–9.2 ft)
Teeth	Broad ridged molars adapted for grazing	Cusped molars adapted for browsing
Habitat	Open grasslands and mammoth steppe	Forests, woodlands, and mixed habitats
Primary diet	Grasses and sedges	Leaves, twigs, shrubs, and other woody vegetation

Although mammoths and mastodons coexisted in parts of North America during the Late Pleistocene, they occupied different ecological niches. Mammoths were primarily grazers of open landscapes, whereas mastodons were woodland browsers adapted to feeding on trees and shrubs.

For more details, see our full post on woolly mammoth vs mastodon.

Woolly Mammoth Discovery and Fossil Record

Feature	Detail
Scientific description	Described by Johann Friedrich Blumenbach in 1799
Most productive region	Siberian permafrost, particularly northern Russia
Notable specimens	Adams Mammoth, Berezovka Mammoth, Dima, Lyuba, and Nun cho ga
Preservation type	Frozen soft-tissue remains, articulated skeletons, isolated teeth, tusks, and other fossil material
Ongoing discoveries	New specimens continue to be recovered as Arctic erosion and permafrost thaw expose previously buried remains

The woolly mammoth possesses one of the richest fossil records of any extinct large mammal. Exceptionally preserved specimens recovered from Siberian permafrost have provided rare insights into soft tissues, hair, stomach contents, genetics, growth, and behaviour, making the species one of the best-studied members of the Ice Age megafauna.

For more details, see our full post on woolly mammoth discovery and fossil finds.

Why Did the Woolly Mammoth Go Extinct?

Driver	Evidence
Climate warming	Reduction and fragmentation of mammoth steppe habitat during the transition from the Pleistocene to the Holocene
Human hunting	Archaeological evidence including butchered remains and associations with human hunting sites
Population fragmentation	Increasing isolation of remnant populations as suitable habitat contracted
Genetic decline	Evidence of reduced genetic diversity and inbreeding in some late-surviving populations
Mainland extinction	Approximately 10,000 years ago in most regions

Most researchers view woolly mammoth extinction as the result of multiple interacting factors rather than a single cause. Climate-driven habitat loss likely reduced available range and population size, while human hunting pressure may have contributed to the decline of already vulnerable populations. Small isolated populations that survived on islands persisted for thousands of years after mainland extinction before eventually disappearing.

For more details, see our full post on woolly mammoth extinction.

Woolly Mammoth Habitat and Geographic Range

Feature	Detail
Primary ecosystem	Mammoth steppe — a cold, dry, grass-dominated biome
Core range	Northern Eurasia, including much of Siberia
Extended range	Beringia and large areas of North America
Western range limit	Western Europe, including parts of the British Isles during suitable climatic periods
Last known habitat	Wrangel Island in the Arctic Ocean, where a relict population survived until approximately 4,000 years ago

The mammoth steppe was one of the largest terrestrial ecosystems of the Pleistocene, stretching across northern Eurasia and North America. Unlike modern Arctic tundra, it supported extensive grasslands capable of sustaining large populations of grazing mammals, including woolly mammoths.

For more details, see our full post on woolly mammoth habitat and geographic range.

When Did Woolly Mammoths Live?

Milestone	Date
First appearance	Approximately 400,000 years ago
Peak geographic range	During the Late Pleistocene, particularly around the Last Glacial Maximum (approximately 26,000–19,000 years ago)
Mainland extinction	Approximately 10,000 years ago
St. Paul Island population extinction	Approximately 5,600 years ago
Final known extinction (Wrangel Island)	Approximately 4,000 years ago

Woolly mammoths survived for hundreds of thousands of years and endured multiple glacial cycles. Small isolated populations persisted on Arctic islands long after mainland populations disappeared. The final known woolly mammoths on Wrangel Island lived during the Bronze Age, making them among the most recently extinct members of the Ice Age megafauna.

For more details, see our full post on when woolly mammoths lived.

Is a Woolly Mammoth a Dinosaur?

Feature	Detail
Class	Mammalia
Dinosaur extinction	Approximately 66 million years ago
Woolly mammoth first appearance	Approximately 400,000 years ago
Time separating them	More than 65 million years
Defining mammalian traits	Fur, milk production, warm-blooded metabolism, and live birth

A woolly mammoth was not a dinosaur. Mammoths were mammals belonging to the elephant family, whereas non-avian dinosaurs disappeared approximately 66 million years before the first woolly mammoths evolved. Although both are extinct groups familiar from prehistoric life, they lived during vastly different periods of Earth’s history.

For more details, see our full post on whether a woolly mammoth is a dinosaur.

Can We Bring the Woolly Mammoth Back to Life?

Feature	Detail
True cloning	Not currently possible because no viable living mammoth cells have been recovered
Current approach	Genetic engineering aimed at introducing mammoth-like traits into the genome of the Asian elephant
Research focus	Recovery and analysis of ancient DNA and other biomolecules from exceptionally preserved specimens
Scientific goal	Development of cold-adapted elephant-like animals possessing selected mammoth characteristics
Current status	No living woolly mammoth or mammoth-like animal has yet been produced

Although woolly mammoth remains have yielded exceptionally well-preserved DNA, true de-extinction remains a significant scientific challenge. Most current research focuses on identifying genes associated with cold adaptation and investigating whether some of those traits could be introduced into the Asian elephant, the mammoth’s closest living relative.

Any future animal produced through these methods would not be a true woolly mammoth. Instead, it would represent an elephant with selected mammoth-derived characteristics designed to function in cold environments.

For more details, see our full post on woolly mammoth de-extinction.

Elephas maximus (Asian elephant) — the woolly mammoth’s closest living relative and the species most frequently referenced in mammoth genetics and de-extinction research.
Mammuthus trogontherii (Steppe mammoth) — a large Eurasian mammoth widely regarded as the ancestral species from which the woolly mammoth evolved.
Mammuthus columbi (Columbian mammoth) — a larger North American mammoth that coexisted with woolly mammoths and is known from genetic evidence to have interbred with some mammoth populations.
Mammut americanum (American mastodon) — a contemporaneous but more distantly related proboscidean belonging to a separate family and adapted primarily to forested habitats.
Coelodonta antiquitatis (Woolly rhinoceros) — a cold-adapted herbivore of the mammoth steppe that shared much of the woolly mammoth’s Eurasian range during the Late Pleistocene.

Common Questions About Woolly Mammoths

Why is it called a woolly mammoth?

The woolly mammoth takes its common name from the dense coat of long hair and insulating underfur that helped it survive cold Pleistocene environments. Its scientific name, Mammuthus primigenius, is commonly translated as “primeval mammoth.” The word “mammoth” entered European languages through Russian, ultimately deriving from terms used by Indigenous Siberian peoples for the giant fossil remains frequently discovered in permafrost.

How long did woolly mammoths live?

Woolly mammoths likely lived for approximately 60–80 years, similar to modern elephants. Scientists estimate lifespan using growth layers preserved within tusks, which record annual development and provide information about age, growth patterns, and aspects of an individual’s life history.

Did humans hunt woolly mammoths?

Yes. Archaeological evidence shows that humans hunted woolly mammoths in parts of Eurasia and North America. Evidence includes cut marks on bones, hunting sites associated with stone tools, and the use of mammoth bones and ivory in the construction of shelters and other structures. Most researchers consider hunting to have contributed to the mammoth decline, although climate-driven habitat change also played a major role in their extinction.

What did a woolly mammoth sound like?

No direct evidence preserves the vocalisations of woolly mammoths. Based on their close relationship to modern elephants, researchers infer that woolly mammoths likely communicated using a range of low-frequency calls, including deep rumbles that may have travelled long distances across open landscapes.

How do we know what woolly mammoths looked like?

Woolly mammoths are among the best-documented extinct mammals. Scientists have reconstructed their appearance using exceptionally preserved frozen carcasses, fossil skeletons, preserved skin and hair, and prehistoric cave art created by people who lived alongside them. Together, these sources provide a detailed picture of the species’ anatomy, coat, and overall appearance.

Note: Body mass and dimensional estimates, the precise first-appearance date of Mammuthus primigenius, the relative weighting of extinction drivers, de-extinction programme timelines, and genomic similarity figures with living elephants are active areas of research. Details reflect current scientific consensus but may be revised as new evidence emerges.

`References`

B. Peer-Reviewed Literature

Graham, R.W., Belmecheri, S., Choy, K. et al. (2016). Timing and causes of mid-Holocene mammoth extinction on St. Paul Island, Alaska. Proceedings of the National Academy of Sciences, 113(33), 9310–9314. https://doi.org/10.1073/pnas.1604903113
Nogués-Bravo, D., Rodríguez, J., Hortal, J., Batra, P. & Araújo, M.B. (2008). Climate change, humans, and the extinction of the woolly mammoth. PLOS Biology, 6(4), e79. https://doi.org/10.1371/journal.pbio.0060079
Palkopoulou, E., Lipson, M., Mallick, S. et al. (2018). A comprehensive genomic history of extinct and living elephants. Proceedings of the National Academy of Sciences, 115(11), E2566–E2574. https://doi.org/10.1073/pnas.1720554115
Rogers, R.L. & Slatkin, M. (2017). Excess of genomic defects in a woolly mammoth on Wrangel Island. PLOS Genetics, 13(3), e1006601. https://doi.org/10.1371/journal.pgen.1006601

C. Monographs, Books and Technical Works

Lister, A.M. & Bahn, P. (2007). Mammoths: Giants of the Ice Age. Revised Edition. University of California Press.

D. Databases and Institutional Resources

Smithsonian National Museum of Natural History. Woolly Mammoth (Mammuthus primigenius). Smithsonian Institution. Available at: https://naturalhistory.si.edu
Paleobiology Database. Mammuthus primigenius. Available at: https://paleobiodb.org
Encyclopaedia Britannica. Woolly Mammoth. Available at: https://www.britannica.com