Chimpanzees and yawn contagion
This article is over 5 years old, and the information may therefore be outdated. New research from Lund University, Sweden, has shown for the first time that chimpanzees catch yawns from humans, and that the susceptibility to contagious yawning develops gradually with age – just like it does in humans. While juvenile chimpanzees (5-8 years of age) catch human yawns, infant chimpanzees seem immune
https://www.lunduniversity.lu.se/article/chimpanzees-and-yawn-contagion - 2026-05-07
