ESM video from Goats prefer positive human emotional facial expressions Christian Nawroth Natalia Albuquerque Carine Savalli Marie-Sophie Single Alan G. McElligott 10.6084/m9.figshare.6951680.v1 https://rs.figshare.com/articles/media/ESM_video_from_Goats_prefer_positive_human_emotional_facial_expressions/6951680 Example video of a test trial 2018-08-09 17:45:49 emotions emotion perception interspecific communication livestock social cognition