Research overview: individual identity and assessment in lion roars

Lion roars carry information not only about presence but potentially about the identity and competitive ability of the caller. This overview surveys research on the acoustic structure of roars, the basis for individual and group recognition, and how lions use vocal information in the numerical and competitive assessments that guide territorial decisions. It discusses playback methods used to probe these abilities and how roaring integrates with the pride's fission-fusion movements and contests with neighbours. It connects vocal individuality to the broader social cognition of the only social cat. The topic illuminates how acoustic signals mediate recognition and decision-making in lion society.