First known photos of 'lost bird' captured by scientists

For the first time, scientists have captured photos of a bird long thought lost. Known as the Yellow-crested Helmetshrike, or Prionops alberti, the species is listed as a 'lost bird' by the American Bird Conservancy because ...

Competition limits the ranges of mountain birds

A new study helps reveal why tropical mountain birds occupy such narrow elevation ranges, a mystery that has puzzled scientists for centuries. While many assumed temperature was responsible for these limited distributions, ...

page 1 from 4