Study Pushes Wonderwerk Cave Fire Use Back 800,000 Years to 1.8 Million

Q: Did flammable owl pellets in a cave unlock humanity's first use of fire 1.8 million years ago?

No. The Wonderwerk Cave study suggests owl pellets may have helped early hominins sustain fire, not that they invented or “unlocked” fire use itself. The new evidence pushes hominin fire use at the South African cave back to about 1.8 million years ago, based on burned small rodent bones found deep inside Stratum 11 alongside stone tools. That strongly supports deliberate hominin interaction with fire, likely by Homo erectus, rather than a wildfire accidentally sweeping into the cave. The owl-pellet idea is a hypothesis about why fire may have lasted longer in the cave. Researchers propose that the floor was often covered with owl pellets and other raptor debris rich in flammable organic material. If hominins brought in burning grasses or other material collected from natural fires, those pellets could have acted as slow-burning fuel or kindling, extending warmth and light under shelter. But the study does not show that owl pellets were the origin of humanity’s first fire use, or that hominins were making fire from scratch. The more cautious interpretation is that these early humans were probably harvesting natural fire and learning how to keep it going in a favorable environment. So the strongest takeaway is that Wonderwerk may preserve one of the earliest known cases of sustained hominin fire use, and owl pellets could have been part of the cave ecology that made that possible. The pellet theory is intriguing, but it remains speculative.

2 articles · Updated · Haaretz · Jun 13

Burned animal bones in Wonderwerk Cave’s Stratum 11 indicate hominins were using fire as early as 1.8 million years ago, nearly doubling the site’s previous benchmark of about 1 million years.
Researchers reached that date by testing bones from a layer spanning roughly 1.07 million to 1.79 million years ago, using luminescence and other methods; key burned samples were small rodent bones near the layer’s oldest end.
The team says this shows early human engagement with fire, not fire-making or full domestication: they likely carried naturally ignited grasses into the cave, where fires appear sporadic rather than permanent.
Wonderwerk’s cave setting strengthens the case for human agency compared with open-air sites, though archaeologists still cannot tell whether the fires were mainly for warmth, protection, smoking meat or occasional cooking.
The finding adds to evidence that hominins were interacting with fire far earlier than once thought, while leaving open when people first learned to ignite and maintain it routinely.

Sources

Haaretz1d ago

New Study Extends Earliest Fire Use at Wonderwerk Cave to 1.8 Million Years Ago

Archaeology News Online Magazine1d ago

Study suggests 4,000-year-old Seahenge built to battle climate change | Archaeology News Online Magazine

Did flammable owl pellets in a cave unlock humanity's first use of fire 1.8 million years ago?

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Earliest Evidence of Fire Use: Wonderwerk Cave Pushes Human Control of Fire Back to 1.8 Million Years

Overview

A groundbreaking study published in June 2026 has nearly doubled the timeline for early human fire use, identifying burned animal bones in South Africa's Wonderwerk Cave dating back about 1.8 million years. This pushes back the previous benchmark of one million years, which was also set at Wonderwerk Cave. The research, published in PLOS One by an international team, found repeated instances of fire use but no evidence of routine cooking or advanced pyrotechnic technology at that early stage. These findings reshape our understanding of when and how early hominins began to harness fire.

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