Songbird plumage and testosterone levels are altered by wildfire

By | June 30, 2021
Fire can put a tropical songbird’s sex life on ice. Following habitat-destroying wildfires in Australia, researchers found that many male red-backed fairywrens failed to molt into their red-and-black ornamental plumage, making them less attractive to potential mates. They also had lowered circulating testosterone, which has been associated with their showy feathers.