Scientists searched for threatened Australian rainforest frogs without seeing or hearing them; DNA in creek water collected up to 22 km downstream revealed populations in places where the frogs had disappeared
Photos of a study species: the Australian Lace-lid (L. dayi)Photo credit: Conrad J Hoskin. In the cool, wet upland streams of Queensland’s Wet Tropics, several species of rainforest frog were pushed to the brink in the 1980s and 1990s by chytrid fungus, an aquatic pathogen that attacks frog skin and has driven extinctions worldwide. For…