A group of innovative young Rwandan naturalists—led by 19-year-old tourism graduate Joseph Desiré Dufitumukiza—has harnessed a free mobile app to record bird sounds and monitor species across the country. Since launching the Rugezi Ornithology Center in 2022, Dufitumukiza and his student volunteers have gathered over 120,000 bird-call recordings, which are stored at the University of...