Editing Face perception (section)

==Other animals==
Neurobiologist [[Jenny Morton]] and her team have been able to teach sheep to choose a familiar face over unfamiliar one when presented with two photographs, which has led to the discovery that sheep can recognize human faces.<ref>{{cite web|title=Sheep are able to recognise human faces from photographs|url=https://www.cam.ac.uk/research/news/sheep-are-able-to-recognise-human-faces-from-photographs|website=University of Cambridge|access-date=8 November 2017|date=8 November 2017|archive-date=30 August 2019|archive-url=https://web.archive.org/web/20190830183136/https://www.cam.ac.uk/research/news/sheep-are-able-to-recognise-human-faces-from-photographs|url-status=live}}</ref><ref>{{cite web|last1=Rincon|first1=Paul|title=Sheep 'can recognise human faces'|url=https://www.bbc.co.uk/news/science-environment-41905652|website=BBC News|access-date=8 November 2017|date=8 November 2017|archive-date=3 June 2019|archive-url=https://web.archive.org/web/20190603153717/https://www.bbc.co.uk/news/science-environment-41905652|url-status=live}}</ref> Archerfish (distant relatives of humans) were able to differentiate between forty-four different human faces, which supports the theory that there is no need for a neocortex or a history of discerning human faces in order to do so.<ref name=":102">{{Cite journal|title=Face facts: Even nonhuman animals discriminate human faces|journal=Learning & Behavior|date=December 2016|volume=44|issue=4|first=Edward A|last=Wasserman|pages = 307–8|doi=10.3758/s13420-016-0239-9|pmid = 27421848|s2cid=8331130|doi-access=free}}</ref> Pigeons were found to use the same parts of the brain as humans do to distinguish between happy and neutral faces or male and female faces.<ref name=":102" />