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 ...

Great egrets and little blue herons. Blue-winged warblers and yellow-bellied sapsuckers. Snowy owls and tropical kingbirds. Across North America, three-fourths of bird species are in decline, ...

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 ...

Each year in late February, hummingbirds depart from their winter homes in Central America and Mexico. By late spring, they ...

WASHINGTON (AP) — Billions fewer birds are flying through North American skies than decades ago and their population is shrinking ever faster, mostly due to a combination of intensive agriculture and ...