Black swifts, with their preference for nesting on steep, wet, cold rock faces, are among the most enigmatic birds in North America ... With the help of amateur bird-watchers like Hurtado ...

Bird flu has devastated poultry and dairy farms, and sent the price of eggs soaring in the United States since it was first detected in North America in late 2021. A view shows a sign with bird ...

WASHINGTON — Bird flu has devastated poultry and dairy farms, and sent the price of eggs soaring in the United States since it was first detected in North America in late 2021. But what has ...