By Gustave Axelson
Bald Eagles on a nest with two young in Maine. Photo by Margaret Viens/Macaulay Library.
For the past 50 years, the U.S. Fish and Wildlife Service has been assembling counts of Bald Eagle nests from the states and by aircraft surveys to track the triumphant population recovery of America’s national symbol. But in its new Bald Eagle population report—tabulated with the help of results using eBird data from the Cornell Lab of Ornithology—the USFWS found many more eagles than previously thought to exist in the Lower 48 states....