Animals have emotions, just like humans

Animal contests are interactions between organisms when both are trying to use the same resource related to growth, reproduction or survivability. — Queen's University Belfast

A new theory from researchers at the School of Biological Sciences at Queen’s University Belfast, Ireland, suggests animals experience emotions much like humans – exhibiting positive moods when they “win” and negative moods when they encounter a “loss”.

Their findings have been published in the journal Proceedings Of The Royal Society B.