A 69-million-year-old fossilized skull unearthed in Antarctica could rewrite the history of modern birds. The nearly complete ...

The early evolution of birds has long been a mystery due to the limited fossil record. Two bird fossils dating back 149 million years to the Jurassic era have been unearthed in Fujian Province, ...

Birds are the most diverse land vertebrate on the planet, and now scientists have constructed a complete evolutionary tree of the 11,000 or so known species. This data came from hundreds of studies ...

Scientists have tagged birds for more than 100 years. That preservation program might be defunded. Warning: This graphic requires JavaScript. Please enable JavaScript ...