Researchers Analyzed Ancient 45,000-Year-Old Denisovan Bone
A newly described specimen from Taiwan reveals details about Denisovan physical stature and terrestrial diets.
Updated on Oct. 10, 2026 in Life Sciences
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Researchers have analyzed a 45,000-year-old Denisovan tibia recovered by fishers off the coast of Taiwan. The unreviewed preprint details the physical characteristics and isotopic signatures of an individual who stood approximately 190 centimeters tall.
Why it matters
The findings provide new insight into the mobility and dietary habits of Denisovans, suggesting a lifestyle centered on hunting megaherbivores in open environments. Researchers hypothesize that this specialized behavior may have placed them in direct competition with Homo sapiens, contributing to their eventual extinction.
Isotopic analysis indicates the individual consumed plants from open environments and meat from megaherbivores, with no evidence of aquatic food consumption. Radiocarbon dating confirms the specimen is 45,000 years old, while the tibia shows physical indicators of a prior, healed injury.
The players
bioRxiv
An online archive and distribution service for unreviewed, preprint research papers in the life sciences.
The details
Researchers utilized isotopic analysis to determine the dietary composition of the specimen, measuring nitrogen isotope levels to detect the protein source. By comparing the physical dimensions of the tibia (the inner and larger of the two bones in the lower leg) against known human skeletal databases, the team estimated the individual's height. The study, currently an unreviewed preprint, also noted healed bone trauma, providing evidence of physical survival in an ancient environment.
Timeline
The Denisovan shin bone dates back 45,000 years.
The Tech Race
This specimen provides rare data for the study of human evolution in East Asia, where the Denisovan population history remains poorly constrained compared to European Neanderthal sites. The evidence supports a pattern of niche dietary specialization that distinguishes the group from coastal-dwelling contemporaries.
As this research is currently an unreviewed preprint, these findings are not yet considered settled science and are subject to academic peer review. There is no immediate application for the general public, though future peer-reviewed publications may clarify the timeline of Denisovan extinction.
The takeaway
The study highlights how isotopic analysis can reconstruct the lifestyle of extinct hominids from fragmentary remains. Readers should track future peer-reviewed publications or updates to the bioRxiv preprint to see if these dietary claims are confirmed by further skeletal findings.
Further reading
For more on the latest findings in our evolutionary past, visit the Life Sciences section.
Source note: This article includes information reported by IFLScience.
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