Serengeti dig finds the region’s first known human burials and a possible new giraffe species

The Serengeti is famous for its wildlife, but a new archaeological expedition suggests its ground holds a human story that researchers have barely begun to read. A Polish-Tanzanian team reports the first known human burials in the area, along with a nearly complete skull from an extinct Ice Age giraffe that may belong to a species science has never described.

A first season in one of the world’s best-known parks

The work comes from researchers at the University of Wrocław and the Institute of Archaeology and Ethnology of the Polish Academy of Sciences, working with the University of Dar es Salaam. Professor Marta Osypińska, a zooarchaeologist at Wrocław, leads the project, which ran for two months in Serengeti National Park. The team wants to understand Middle Stone Age communities and how early humans, animals and a changing East African environment shaped one another.

The Serengeti sits close to Olduvai Gorge, which holds evidence of early humans more than two million years old. Even so, archaeologists have studied the park far less than its famous neighbor. Earlier projects there included work led by Professor John Bower about four decades ago and by Professor Audax Mabulla about 20 years ago.

Human remains at a herders’ settlement

At an ancient Neolithic settlement of pastoralists, or herders, the team recovered dozens of human remains. Many are teeth, and they come from several individuals. According to the report, decades of research in the Serengeti had not identified human burials or cemeteries from any period, so the find fills a long gap in the record.

Teeth can carry a lot of information, from diet to health to ancestry, so laboratory work on these remains could tell researchers who lived here and how they lived. The team has sent material to laboratories in Europe and the United States. We do not yet have dates or analysis results, so the age and identity of the people remain open questions.

A giraffe that may be new to science

The team also found a nearly complete skull and a radius, a forearm bone, from an extinct giraffe that lived during the Pleistocene, the Ice Age. The researchers think it may represent a species no one has described before. They stress that further study must confirm this, so the claim is still a possibility rather than a result.

More Middle Stone Age sites than expected

The team planned to excavate two Middle Stone Age sites and added rescue investigations at two more. Within one season, the number of known Middle Stone Age sites in this part of Tanzania rose by about 300 percent, according to the report. One of them, Loiyangalani, is described as the only known Pleistocene archaeological site in this part of the Serengeti.

Another site, called Kiboko after the Swahili word for hippopotamus, produced rich stone tools, well-preserved animal remains and clear layers of sediment. The team named it after a disgruntled hippo they met on their first day. Instead of the usual one-meter trenches, the researchers opened areas of 5 by 5 meters, and sometimes 10 by 10 meters, an approach Osypińska says worked in Egypt and Sudan.

Among the finds, the team also reports turtle-shell objects that may have served as ornaments. If that interpretation holds, they would point to symbolic behavior among people of the Pleistocene. Osypińska said the scale of the discoveries and the archaeological richness of the Serengeti completely surprised the team.

Why this matters

Human burials give archaeologists direct evidence about people, not only their tools. A cemetery-like record in the Serengeti could connect the park to the story of herding in East Africa, while the Middle Stone Age sites may show how people and animals shared the landscape long before pastoralists arrived. Osypińska also noted that ancient people left subtle traces, and that researchers must learn to recognize them.

What we still do not know

Most of these results are preliminary. The remains still need dating and analysis, the giraffe needs formal comparison with known species, and the ornament interpretation is unconfirmed. We also rely on a press report of an interview rather than a published scientific paper. Fieldwork resumes in Tanzania in February 2027, with another season planned for July, and two projects funded by Poland’s National Science Centre support the work, together with the Tanzania Wildlife Research Institute, Tanzania National Parks and the Frankfurt Zoological Society.

Sources

• Polish Press Agency (PAP) interview with Prof. Marta Osypińska, University of Wrocław (original not located; reported by HeritageDaily)
• HeritageDaily: Neolithic burials and possible unknown giraffe species discovered in Tanzania’s Serengeti