Horses can recognise their reflection in mirror and want to preen themselves, study finds 

Horses may have the same self awareness as primates and can recognise their own reflections in a mirror, a new study published in journal Animal Cognition has discovered. https://www.dailymail.co.uk/news/article-9411253/Horses-recognise-reflection-mirror-want-preen-study-finds.html?ns_mchannel=rss&ns_campaign=1490&ito=1490