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Contact: Kayla Graham
onepress@plos.org
PLOS

Example of Contagious Yawning in Wolves

Caption: a. An individual (on the right) yawned during a resting period. b. A few seconds later, the subject (on the left) yawned contagiously.

Credit: Teresa Romero

Usage Restrictions: CC-BY

Related news release: Wolves susceptible to yawn contagion


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