Scientists from The Australian National University (ANU) and the Taronga Conservation Society Australia have successfully restored the lost traditional song of one of Australia's most endangered birds, offering new hope for the survival of the critically endangered regent honeyeater. The new study reveals how targeted "song tutoring" at Taronga Zoo in Sydney and Taronga Western Plains Zoo in Dubbo has revived a disappearing cultural trait vital to the species's survival. The findings are published in the journal Scientific Reports.