iA koala’s bellow starts with a labored intake of air and drops into a low, rattling growl. Males can go surprisingly low thanks to an extra pair of vocal folds above the larynx. The bellow is especially associated with the breeding season.
iiA koala’s bellow starts with a labored intake of air and drops into a low, rattling growl. Males can go surprisingly low thanks to an extra pair of vocal folds above the larynx. The bellow is especially associated with the breeding season.