Chimpanzees and yawn contagion
Published 16 October 2013 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 to yawn contagion. Aside from humans, cross-species yaw
https://www.lunduniversity.lu.se/article/chimpanzees-and-yawn-contagion - 2025-04-21