The Cornell Lab of Ornithology today announced the release of a new online tool for studying biodiversity and the ...

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 ...

Birds tend to be more colorful in the tropics, and scientists wanted to find out how they got there: if colorful feathers evolved in the tropics, or if tropical birds have brightly-colored ancestors ...

Cold weather changes everything for backyard birds. Smart winter feeding habits can help them conserve energy, stay healthy, ...