Published in Science · View the paper (DOI)
The study reveals that rodents' D1 ungis (nails or claws) are a crucial adaptation for their evolutionary success. A nail is the most common and likely ancestral condition, coevolving with distinctive gnawing incisors to facilitate dexterous manipulation of hard foods.
Coverage from 2 institutions
- Evolution of rodents’ unique thumbnail contributed to their successful radiation American Association for the Advancement of Science (AAAS) · Sep 4, 2025 · first to report
- Most rodents have thumbnails instead of claws. It might help explain how they took over the world. Field Museum · Sep 4, 2025