Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In 1999, Stanford PhD student Çağan Şekercioğlu needed to know ...

The Lear's macaw (Anodorhynchus leari), a species endemic to the north of the state of Bahia, Brazil, nearly went extinct in ...

Under the scorching sun of Brazil’s semiarid Caatinga shrubland, squawks tear through the skies, signaling the arrival of one ...

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 ...

One bright spot is green sea turtles, which have recovered substantially, the IUCN said as it released its latest Red List of ...