Contagious yawning in the red-footed tortoise

Writing in the journal Current Zoology, Anna Wilkinson, Isabella Mand and Ludwig Huber of the University of Vienna, Austria, and Natalie Sebanz of Radboud University in the Netherlands, explain: “This study aimed to discriminate between the possible mechanisms controlling contagious yawning by asking whether contagious yawning is present in a species that is unlikely to show empathy or nonconscious mimicry: the redfooted tortoise, G carbonaria. Leer más.