Research overview: vocal communication and low-frequency roars in tigers

Tigers use a repertoire of calls, including powerful roars rich in low-frequency and infrasonic energy that carry far through forest. This overview synthesizes research on how these vocalizations advertise presence, attract mates, and may coordinate spacing between solitary individuals, complementing scent marks that persist when the animal is gone. It reviews the structure of tiger roars, the role of soft calls in mother-cub contact and courtship, and how acoustic signals function in dense vegetation where visual communication is limited. The synthesis frames vocalization as one channel in a multimodal system that lets a solitary cat manage its social life across large areas. For those who have heard a tiger roar at dusk, it explains how such calls travel, what information they may convey, and how they fit into the broader signaling system of a secretive predator.