Microsoft and our third-party vendors use cookies to store and access information such as unique IDs to deliver, maintain and improve our services and ads. If you agree, MSN and Microsoft Bing ...

In the avian world, birds showcase an incredible diversity of beaks—some enormous, others unusually long, and some even lethal. All hornbill species have a unique structure called a casque on ...

In the first part of the series, "To Fly or Not to Fly," David Attenborough travels around the world to seek ... of flight and the unique anatomical features of birds that enable them to defy ...

Nature lovers should be in on a little secret: Colombia may just be the world ... unique songs and plumes — in their ...