Anna's hummingbird, a common species of hummingbird native to the western coastal regions of North America. (Gates Dupont/Princeton University) (CN) — Geography, habitat and species composition didn’t ...
North American bird populations are not just shrinking; they are shrinking faster with each passing decade, and the worst ...
Migratory birds that fill North American forests with spring songs depend on Central America’s Five Great Forests far more than most people realize. New research shows these tropical strongholds ...