Fossilized foot bones show that Paranthropus boisei walked upright on two legs, with lead author Carrie S. Mongle describing the foot as 'unquestionably adapted to walking upright on two legs.'
Notes on verification
Direct quote confirmed by Smithsonian article, Stony Brook University press release, and University of Colorado Anschutz press release, all attributing the same statement to lead author Carrie S. Mongle. Findings align with the peer-reviewed Nature publication (Mongle et al. 2025). [tier=gold indep_score=1.0 clusters=3 claim_tier=notable]
Sources
- Discovery of First Fossil Hand Linked to P. Boisei Suggests ... (seed:science_and_space)
- https://www.nature.com/articles/s41586-025-09594-8 (corroboration)
- https://news.stonybrook.edu/newsroom/new-fossil-of-an-ancient-human-relative-shows-it-could-grip-and-had-surprising-dexterity/ (corroboration)
- https://news.cuanschutz.edu/news-stories/extinct-human-relative-capable-of-making-and-using-tools-study-shows (corroboration)