Migratory birds often travel at night, making it difficult for scientists to monitor these declining flocks. But one researcher figured out how to track these birds by using their distinctive nighttime vocalizations.
Every day, reporters and producers at The World are hard at work bringing you human-centered news from across the globe. But we can’t do it without you. We need your support to ensure we can continue this work for another year.
Make a gift today, and you’ll help us unlock a matching gift of $67,000!