Archaeologists investigating the ancient city of Vichama in Peru have uncovered new evidence that could reveal how a society living nearly 3,800 years ago understood and responded to dramatic climatic and environmental change.
The discoveries include unusual objects made from animal bone and clay depicting serpents, a recurring symbol that researchers believe was associated with water, fertility, transformation and the renewal of life.
The finds were announced by Peru’s Ministry of Culture and the Caral Archaeological Zone (ZAC) during events marking 19 years of archaeological research, conservation and restoration at Vichama.
Located at Végueta in the province of Huaura, north of Lima, Vichama was a city belonging to the Caral cultural tradition that flourished between approximately 1800 and 1500 BC.
Researchers believe the latest discoveries add to a growing body of evidence suggesting that Vichama’s inhabitants experienced significant climatic disruption and incorporated memories of those environmental events into their architecture, art and ritual practices.
Serpent sculptures discovered at Vichama
Among the most significant discoveries are two sculptures recovered from Sector D of the archaeological site.
One is an approximately 30-centimetre-long object carved from the antler of a young deer. The polished sculpture depicts what appears to be a dead anthropomorphic figure, shown with its eyes and mouth closed and associated with a serpent-like creature.
Archaeologists believe the unusual composition could represent transformation or renewal, with the serpent symbolising the transition from death into a new cycle of life.
A second sculpture, measuring just 6.9 centimetres long, was fashioned from unfired clay and retains traces of red and black pigment.
A serpent with a triangular head appears in relief across the front of the figure’s body, while an object held at its side may have served a ritual purpose.
Other objects featuring representations of snakes have been discovered in both public buildings and residential areas of Vichama. Some appear to have been deliberately deposited as offerings during episodes of architectural renovation.
Together, the discoveries strengthen evidence that serpents occupied an important place in the symbolic and ritual traditions of the city’s inhabitants.
Researchers have linked the imagery not only with transformation and the continuity of life but also with water and fertility — resources that would have been particularly important to a society dependent upon agriculture and fishing.
Ancient memories of climate change
The discoveries are particularly significant because of other imagery previously uncovered across Vichama.
After 19 years of investigation, archaeologists have identified 34 anthropomorphic and fish-like reliefs in the city’s Main Public Building, known as Sector A.
These form part of what researchers have called the Mural of the Dance of Life and Death, a striking composition interpreted as preserving memories of environmental hardship experienced by the ancient population.
Another artwork, known as the Mural of Fertility, was discovered in Sector K. It depicts two serpents converging upon a central figure interpreted by researchers as an anthropomorphised seed.
Dr Ruth Shady Solís, head of the Caral Archaeological Zone and one of Peru’s leading archaeologists, said the evidence could demonstrate how Vichama’s population recorded its experience of climatic upheaval so that knowledge of the events would survive across generations.
“The Vichama society left reliefs depicting the impact of climate change 3,800 years ago, so that the memory of what happened and how to prevent it from happening again would not be lost,” Shady said.
“The message we are recovering is this: we must reflect. But how? By understanding history and, based on that understanding, reflecting on what changes we must promote.”
The discoveries suggest that environmental instability was not simply something Vichama’s inhabitants endured. Instead, researchers argue that the population attempted to understand these changes and incorporated them into a broader worldview involving death, water, fertility and regeneration.
Lessons from a civilisation facing environmental crisis
Peru’s Minister of Culture, Alberto Beingolea Delgado, attended the presentation alongside other government officials and representatives of the Caral Archaeological Zone.
Beingolea said the archaeological evidence offered a powerful connection between the environmental challenges experienced by ancient Peruvians and those confronting societies today.
“This is the testimony of a civilisation that lived on Peruvian soil and faced natural disasters, suffered them, and suffered them severely,” he said.
“I believe it is a magnificent reflection, not to look at the past, but to look at the present and the future. They are speaking to us, they are telling us what can happen, and we must listen.”
Vichama’s history is particularly important to researchers studying the societies associated with Caral, one of the earliest centres of civilisation in the Americas.
Rather than concentrating solely on monumental architecture, the continuing investigation is helping archaeologists reconstruct how ancient communities interpreted changes in their environment and preserved those experiences through visual symbols and collective memory.
The newly documented serpent imagery adds another piece to that picture, potentially demonstrating how the inhabitants connected the availability of water and agricultural fertility with wider ideas about survival, death and renewal.
19 years of research at Vichama
The announcement coincided with the 19th anniversary of archaeological research, conservation and public presentation at the Vichama site.
Anniversary events will continue with Vichama Raymi 2026, scheduled for 4 and 5 September in Végueta.
A traditional ceremony honouring Pachamama and Cochamama will take place at the Vichama Reception Centre on 4 September with local community groups.
The following day, archaeologists will present the latest results of research into Vichama and the reconstructed social history of the ancient city.
The programme will also feature artistic performances, traditional crafts, gastronomy and activities for the public.
For archaeologists, however, the discoveries have significance extending far beyond the anniversary celebrations. Nearly four millennia after Vichama’s inhabitants confronted profound environmental change, the symbols they left behind are providing researchers with new evidence of how one of ancient Peru’s societies attempted to understand — and remember — a changing climate.
Sources : Peruvian State
