Healesville sanctuary releases 21 critically endangered birds in hopes a new wild population will thriveSign up for climate and environment editor Adam Morton’s free Clear Air newsletter hereFor the first time in 42 years, critically endangered helmeted honeyeaters have returned to Cardinia in south-east Victoria, where they were found until the Ash Wednesday bushfires in 1983.Helmeted honeyeaters are charismatic, energetic and curious, according to Dr Kim Miller, the manager of threatened species at Healesville sanctuary.Sign up to get climate and environment editor Adam Morton’s Clear Air column as a free newsletter Continue reading...