Imagine zooming out on a giant family tree that includes every bird you have ever seen. Ostriches sprint across open plains, hummingbirds hover at flowers, penguins slice through cold seas, and eagles ...
Conservation advocates shared findings in the 2025 “State of the Birds” report at the Indiana Statehouse on Feb. 17.
Scientists studying data collected over more than three decades found accelerating losses. Their research offers clues about the causes.