Редактирование: Cognition in nonhuman animals (раздел)

=== Dogs ===

Dogs are capable of recognizing their own scent in unfamiliar situations and will spend substantially less time investigating it, a difference that develops with age,<ref name="dogs-scent-1">Cazzolla Gatti, Roberto.  (November 2015).  "Self-consciousness: beyond the looking-glass and what dogs found there".  <i>Ethology Ecology & Evolution</i>.  <b>28</b>: 232-240.  doi:[https://doi.org/10.1080/03949370.2015.1102777]</ref>  which has been cited as evidence of a capacity for self-recognition.  They also experience contagious yawning with other dogs and humans, with a bias towards familiar humans, indicating some empathic capacity.<ref name="dogs-yawn-1">Romero T, Konno A, Hasegawa T.  (August 2013).  "Familiarity Bias and Physiological Responses in Contagious Yawning by Dogs Support Link to Empathy". <i>PLOS ONE</i> <b>8(8)</b>: e71365. doi:[https://doi.org/10.1371/journal.pone.0071365]</ref>