Brie Sloggett, a field ecologist at the not-for-profit conservation organisation Science for Wildlife, assesses the health of a rescued koala named Ernie, following medical treatment for chlamydia, where he had to have one of his eyes removed, before he is released back into his natural habitat, in Windsor, Australia, July 25, 2020. REUTERS/Loren Elliott SEARCH "KOALAS ELLIOTT" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES