robustus skeletons suggest members of the species may have used tools to help them access buried food. A. ... robustus fossils suggest that the species may have used these bones as tools for digging up edible roots or for excavating termite mounds.

Did Paranthropus robustus use tools?

While scientists have not found any stone tools associated with Paranthropus robustus fossils, experiments and microscopic studies of bone fragments show that these early humans probably used bones as tools to dig in termite mounds. Through repeated use, the ends of these tools became rounded and polished.

How did Paranthropus robustus communicate?

Using CT scans, the researchers found that the hearing of Australopithecus africanus and Paranthropus robustus was perfectly suited for short-range vocal communication in open landscapes, and they could hear frequencies used in speech.