No Evidence for Emotional Empathy in Chickens Observing Familiar Adult Conspecifics (original) (raw)
Figure 1
Eye temperature (°C) of the hens during the four conditions.
C = Control, CN = Control with noise APC = Air puff to chicks, APH = Air puff to observer hen. ‘°’ represents outliers >1.5 times the interquartile range and ‘*’ represents outliers >3 times the interquartile range. * p<0.05, ** p<0.01, *** p<0.001.