Topic
sexual-dimorphism
1 stories related to this topic, newest first.
Science Newsscience28 days ago
Study Finds Between-Group Competition Correlates With Greater Male-Female Size Differences in Primates
A study published May 13, 2026, in Biology Letters finds that greater overlap in territories and more frequent group encounters correlate with larger males relative to females across 146 primate species. The traditional focus on within-group male competition for mates does not fu…