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Essay / Expressions

It’s Official: Neanderthals Created Art

New evidence from caves in Spain shows that Neanderthals engaged in complex symbolic thought—and were pretty good artists to boot.
neanderthal art - Neanderthal art.

P. Saura

This article was originally published at The Conversation and has been republished under Creative Commons.

What makes us human? A lot of people would argue it is the ability of our species to engage in complex behavior such as using language, creating art, and being moral. But when and how did we first become “human” in this sense? While skeletal remains can reveal when our ancestors first became “anatomically modern,” it is much harder for scientists to decipher when the human lineage became “behaviorally modern.”

One of the key traits of behavioral modernity is the capacity to use, interpret, and respond to symbols. We know that Homo sapiens have been doing this for at least 80,000 years. But its predecessor in parts of Eurasia, the Neanderthal, a human ancestor that became extinct around 40,000 years ago, has traditionally been regarded as uncultured and behaviorally inferior. Now our recent study, published in Science in February, has challenged this view by showing that Neanderthals were able to create cave art.

The earliest examples of symbolic behavior in African Homo sapiens populations include the use of mineral pigments and shell beads—presumably for body adornment and expressions of identity.

However, evidence for such behavior by other human species is far more contentious. There are some tantalizing clues that Neanderthals in Europe also used body ornamentation around 40,000 to 45,000 years ago. But scientists have so far argued that this must have been inspired by the modern humans who had just arrived there—we know that humans and Neanderthals interacted and even interbred.

Wall in Maltravieso Cave showing three hand stencils (centre right, centre top and top left).

There are three hand stencils (center right, center top, and top left) on this wall in Spain’s Maltravieso Cave. One of them is at least 66,000 years old and was made by Neanderthals.

H. Collado

Cave art is seen as a more sophisticated example of symbolic behavior than body ornamentation and has traditionally been thought of as a defining characteristic of Homo sapiens. In fact, most researchers believe that the cave art found in Europe and dating back over 40,000 years must have been painted by modern humans, even though Neanderthals were around at this time.

Dating cave art

Unfortunately, we have a poor understanding of the origins of cave art, primarily due to difficulties in accurately dating it. Archaeologists typically rely on radiocarbon dating when trying to date events from our past, but this requires the sample to contain organic material.

Cave art, however, is often produced from mineral-based pigments that contain no organics, meaning radiocarbon dating isn’t possible. Even when it is—such as when a charcoal-based pigment has been used—it suffers from issues of contamination, which can lead to inaccurate dates. It is also a destructive technique, as the sample of pigment has to be taken from the art itself.

Uranium-thorium dating of carbonate minerals is often a better option. This well-established geochronological technique measures the natural decay of trace amounts of uranium to date the mineralization of recent geological formations such as stalagmites and stalactites—collectively known as speleothems. Tiny speleothem formations are often found on top of cave paintings, making it possible to use this technique to constrain the age of cave art without impacting on the art itself.

A new era

We used uranium-thorium dating to investigate cave art from three previously discovered sites in Spain. In La Pasiega, in northern Spain, we showed that a red linear motif is older than 64,800 years. In Ardales, in southern Spain, various red painted stalagmite formations date to different episodes of painting, including one between 45,300 and 48,700 years ago, and another before 65,500 years ago. In Maltravieso, in western central Spain, we showed a red hand stencil is older than 66,700 years.

These results demonstrate that cave art was being created in all three sites at least 20,000 years prior to the arrival of Homo sapiens in western Europe. They show for the first time that Neanderthals did produce cave art, and that it was not a one-off event. It was created in caves across the full breadth of Spain, and at Ardales it occurred at multiple times over at least an 18,000-year period. Excitingly, the types of paintings produced (red lines, dots, and hand stencils) are also found in caves elsewhere in Europe, so it would not be surprising if some of these were made by Neanderthals, too.

Ladder shape in red painted in the La Pasiega cave.

The image on the left shows a ladder-shaped painting that was made by Neanderthals at least 64,000 years ago in Spain’s La Pasiega Cave. On the right, a drawing made by an archaeologist in 1913 shows animals and other symbols that are difficult to see on the cave wall. These may have been added to the original painting later, possibly by modern humans.

C.D. Standish, A.W.G. Pike, and D.L. Hoffmann / Breuil et al.

We don’t know the exact meaning of the paintings, such as the ladder shape, but we do know they must have been important to Neanderthals. Some of them were painted in pitch black areas deep in the caves—requiring the preparation of a light source as well as the pigment. The locations appear deliberately selected, the ceilings of low overhangs or impressive stalagmite formations. These must have been meaningful symbols in meaningful places.

Our results are tremendously significant, both for our understanding of Neanderthals and for the emergence of behavioral complexity in the human lineage. Neanderthals undoubtedly had the capacity for symbolic behavior, much like contemporaneous modern human populations residing in Africa.

To understand how behavioral modernity arose, we now need to shift our focus back to periods when Homo sapiens and Neanderthals interacted and to the period of their last common ancestor. The most likely candidate for this ancestor is Homo heidelbergensis, which lived over half a million years ago.

It is perhaps also now time that we move beyond a focus on what makes Homo sapiens and Neanderthals different. Modern humans may have “replaced” Neanderthals, but it is becoming increasingly clear that Neanderthals had similar cognitive and behavioral abilities—they were, in fact, equally “human.”The Conversation

Alistair Pike is a professor of archaeological sciences at the University of Southampton in England.

Chris Standish is a postdoctoral fellow of archaeology at the University of Southampton in England.


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