In July 1992, two Danish birders visiting Patagonia, Arizona reported the first-ever, mega-rare cinnamon hummingbird in the United States. Back then, reporting rare birds required phoning in ...

ITHACA, N.Y. - Millions of people donate billions of dollars' worth of their time to citizen-science projects each year. While these efforts have broadened our understanding of everything from birds ...

Western tanagers are migratory birds that are present in Northern California in the spring and again in late summer. A new study shows that observations by 'citizen scientists' using apps such as ...

Managed by the Cornell (University) Lab of Ornithology, eBird is obscuring precise location data on boreal owl sightings. It regards the small raptor with piercing yellow eyes as a regional “sensitive ...

Bald eagle populations have been steadily recovering since their all-time low in the 1960s when fewer than 500 nesting pairs were left. Lewis Hulbert via Wikicommons under (CC BY-SA 4.0) The once ...