Amid the sharp ochre cliffs of Australia's northeastern Kimberley region, a fascinating discovery is transforming how researchers understand the continent’s ancient artistic legacy.
Archaeologist Dr. Ana Paula Motta, working in collaboration with the Balanggarra Aboriginal Corporation, has identified a previously unrecognized style of Aboriginal rock art. Dubbed the “Linear Naturalistic Figures” (LNF), this new classification offers illuminating insights into the cultural and environmental shifts of the mid-to-late Holocene, as Dr. Motta and her colleagues explain in an article recently published in the journal Australian Archaeology.
The newly revealed artwork has disclosed some significant truths about the evolution of ancient Aboriginal art, a process that was far more complex process that previously believed.
Linear Naturalistic Figures Hidden in Plain Site
The Kimberley is often hailed as one of the greatest rock art archives on Earth. From cliffside canvases to secluded caves, its thousands of artworks span many millennia, serving as both aesthetic treasures and cultural records.
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Researchers have long grouped this art into phases, with one of the oldest—the Irregular Infill Animal Period (IIAP)—dating back between 17,200 and 13,000 years ago. IIAP pieces are known for their vivid pigment work and detailed animal portrayals in active poses.
Examples of body shape groups unique to Linear Naturalistic Figures, which feature a continuous, simple outline and lack of infill (figure by Ana Paula Motta). ( Motta, et.al/Australian Archaeology).
But as part of the extensive Kimberley Visions project, which surveyed over 1,100 sites and catalogued more than 4,200 motifs, Dr. Motta’s team noticed something odd.
“Many of the animal motifs initially labeled as IIAP diverged from its core features,” she says. “They lacked the elaborate infills and expressive poses typical of IIAP. Their simplicity and consistency suggested something different—something later.”
Detailed analysis of 98 images from 22 sites in the Drysdale and King George River areas revealed a consistent artistic style that stood apart from IIAP: the Linear Naturalistic Figures.
These motifs depict animals—especially kangaroos and wallabies—using simple linear outlines, often without color or dynamic motion. The creatures are typically shown in static side views, a striking contrast to the expressive, energetic imagery of earlier periods.
Interestingly, the LNF style splits into two subgroups. The geometric type features stylized, abstract forms with angular limbs and little anatomical detail. The naturalistic type is more lifelike, showing defined muscles, facial features, and body proportions. This variation indicates not just regional influence but an evolving artistic expression within the broader LNF tradition.
The Complex Process of Determining Rock Art Timelines
Rock art dating is inherently challenging. Without organic pigments to carbon date, archaeologists rely on clues like stylistic layering and context. In the Kimberley, LNF motifs often appear on top of older IIAP, Gwion, and Static Polychrome art, styles spanning from about 17,000 to 9,000 years ago.
However, LNF works also appear beneath or alongside Wanjina art, a style connected to ancestral beings and believed to date back around 5,000 years. This positioning places the LNF tradition within a window of time ranging from 9,000 to 5,000 years ago. This is the middle Holocene, when major cultural and environmental shifts were underway in Australian territory.
Kimberley relative rock art sequences, not including LNF: (1) Cupules; (2) IIAP; (3) Gwion; (4) Static Polychrome; (5) Stout Figures; (6) Painted Hand; (7) Wanjina; and (8) Contact Art. (Motta, et.al/ Australian Archaeology).
What caused this shift back to depicting animals after a long period of more abstract and symbolic art? At first glance, it seems like a step backwards.
Dr. Motta believes the broader context holds the key.
“By this time,” she explained in an interview published by Science News Today, “sea levels had stabilized, stone tool technologies were evolving, and linguistic and social landscapes were becoming more fragmented and regionally distinct.”
Communities were settling into more defined territories. With greater environmental stability and social complexity, rock art may have become a medium for asserting identity, navigating relationships, and marking territory.
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“The recurrence of large animal motifs, especially macropods, suggests a reassertion of shared ecological and cultural values,” said Dr. Motta. “These animals could have functioned as totems or symbolic anchors in a time of profound transition.”
Humans and Animals, Sharing Earthly Experiences and a Spiritual Realm
For many Aboriginal groups, animals are far more than food—they are kin. Through the Dreaming, in the spiritual realm, humans and animals share ancestral ties. Within this framework, specific animal species are linked to clans, laws, and rituals through totemic systems.
Thus, LNF depictions of kangaroos and wallabies likely carried layered meanings. Beyond reflecting ecological importance, they could have signaled group identity, mapped ancestral narratives, or affirmed connections between people, land, and spirit.
“These rock paintings are part of a broader spiritual ecosystem,” Dr. Motta noted. “They speak of belonging, movement, and survival—not just in the physical world, but in the cosmological one.”
The superimposed images found across Kimberley sites show an evolving conversation. Rather than replacing older works, new artists often painted over them as a way of engaging with their ancestors.
Compared to the bold colors of Static Polychrome or the detailed body art of Gwion figures, LNF motifs are understated. Their visual restraint may reflect a deliberate shift to an aesthetic grounded in the everyday and the observable, rather than the symbolic or ceremonial.
Rock Art as a Living Connection to the Past
This study owes much to the involvement of the Balanggarra Aboriginal Corporation. Their custodianship of the land and cultural insights ensured the research was both respectful and accurate.
King George River in the Kimberley region, surrounded by towering cliff, near area where several of the LNF rock art samples were found. (John Benwell/Flickr/CC BY-SA 2.0).
To the Balanggarra people, these artworks are living connections to their ancestors and the land that has sustained them for thousands of years. Collaborative projects like Kimberley Visions reflect a growing movement in archaeology that places Indigenous voices and leadership at the center of inquiry, to make sure the story of the discoveries is told in the right way.
The identification of the Linear Naturalistic Figures has led to a refinement of the ancient rock art timeline, while adding a new layer of complexity to how archaeologists will interpret the past. In this case what was revealed was a cyclical stage in the development of Aboriginal art forms, showing that “progress” does not always follow a linear path.
This discovery highlights the unquestionable richness of Aboriginal heritage. Long before modern civilization, Aboriginal Australians were creating deeply meaningful art that reflected their surroundings, values, and cosmology.
The Unfolding Story of Kimberley Rock Art
As researchers continue to study the vast dataset gathered during the Kimberley Visions project, more discoveries are expected. Technologies like 3D scanning, pigment analysis, and spatial mapping are already transforming the way we understand rock art, revealing details that might otherwise have been missed.
But it is the human connection that matters most. The study of this newly discovered rock art will help disclose previously hidden ancestral knowledge, increasing understanding of a landscape rich with stories carved and painted into its stone.
Top image: Enhanced Linear Naturalistic Figure animal drawing, superimposed over more complex (but older) Irregular Infill Animal Period (IIAP) animal art.
Source: Motta, et.al/ Australian Archaeology.
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