Long-term study to assess recovery of Wisconsin loons from mercury and lead exposure

by Caitlin Williamson | May 2, 2016 | Wildlife

There’s something haunting about the beautiful call of common loons. This sound, however, nearly vanished from Northern Wisconsin as a result of mercury and lead poisoning and hunting, all of which devastated loon populations starting in the late 1800s. Since then the federal government has taken steps to bring these birds back from the brink […]