A recent study led by the Universitat Autònoma de Barcelona (UAB) has revealed the sophistication of Neolithic archery equipment on the Iberian Peninsula (5300–4900 BCE). The analysis of remains found in the Cueva de Los Murciélagos in Albuñol (Granada, SpainCordage fragments from Cueva de los Murciélagos identified as possible bowstrings.) has not only reconstructed the art of archery from 7,000 years ago but also uncovered a technical skill that is surprising even in the European context.

Among the identified remains are the oldest bowstrings in Europe, made from animal tendons. These strings, crafted from materials such as goat, boar, and roe deer tendons, reflect a deep understanding of the properties of natural materials. According to Ingrid Bertin, the lead researcher of the study, the twisting of tendons to create strong and flexible strings demonstrates a degree of technical specialization that marks a milestone in the study of prehistoric weaponry.

In addition to the bowstrings, researchers discovered intact arrows, many still preserved with their original feathers. These artifacts reveal not only expertise in manufacturing but also sophistication in material selection. The use of olive wood and cane for the shafts, combined with birch tar application, suggests a design process aimed at optimizing ballistic properties.

granada cave bowstrings neolithic
Plant-based arrowheads and shafts from Cueva de los Murciélagos. Credit: F. Martínez-Sevilla

The use of birch tar, obtained through a thermal treatment of the tree’s bark, adds another layer of complexity. This material not only protected the arrow shafts but may also have had an aesthetic function, elevating the design of the equipment beyond mere functionality.

The findings are significant not only for their technical value but also for what they reveal about the Neolithic societies of the region. The sophistication of these artifacts suggests that archery was not merely a tool for hunting or combat but likely held an important symbolic role. The placement of these objects in a funerary context within the cave suggests they may have had ritual or spiritual significance, pointing to a symbolic dimension that transcended their practical use.

Raquel Piqué, the study’s coordinator, highlights that the combination of advanced techniques and the use of local materials redefines our understanding of Neolithic technologies. Furthermore, she notes that these findings open new research avenues to explore how early farming communities integrated technical innovation into their daily lives and ritual practices.

granada cave bowstrings neolithic
Cordage fragments from Cueva de los Murciélagos identified as possible bowstrings. (A) CM-P287 (Beta-684048), (a.1.) Knot or repair, (a.2.) Detail of twisted fibres. Credit: F. Martínez-Sevilla

The project, funded by the European Union’s Horizon 2020 program, brings together researchers from multiple institutions, including the University of Alcalá, the Institute of Heritage Sciences (INCIPIT-CSIC), and the Institute of Environmental Science and Technology (ICTA-UAB), among others. The interdisciplinary approach of the study has been key to achieving such revealing results, combining advanced microscopy techniques and biomolecular analysis to examine proteins, lipids, and organic materials.

Additionally, the research is part of the MUTERMUR project, which aims to update and enrich the knowledge of the Cueva de Los Murciélagos site using state-of-the-art archaeometric techniques. This effort has not only unraveled the secrets of the past but also generated high-quality scientific data that will serve future research.

The findings contribute to enriching our understanding of the craftsmanship and daily life of prehistoric societies and open pathways for the study of ancient weaponry by revealing methods and materials that can be investigated at other Neolithic archaeological sites in Europe, says Raquel Piqué. Moreover, they provide greater insight into the symbolic sphere linked to these grave goods found in a funerary context such as that of the Cueva de Los Murciélagos.


SOURCES

Universitat Autónoma de Barcelona

Bertin, I., Martín-Seijo, M., Martínez-Sevilla, F. et al. First evidence of early neolithic archery from Cueva de los Murciélagos (Albuñol, Granada) revealed through combined chemical and morphological analysis. Sci Rep 14, 29247 (2024). doi.org/10.1038/s41598-024-77224-w


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