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 ...

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, ...

CHICAGO — August 14, 2025 — The 66th Supplement to the American Ornithological Society’s (AOS’s) Check-list of North American Birds, published today in Ornithology, includes several significant ...

Warming and intensive farming are accelerating bird population declines across North America, a new Science study finds, with ...

On a small island off the coast of Brazil, a rare bird native to North America settled in, trading the Northern Hemisphere's harsh winter for the Southern Hemisphere's summer. Catharus fuscescens, ...

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 ...