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 ...

Explore an interactive avian tree of life that reveals how 11,000 bird species are connected through millions of years of ...

Professor Emily Jane McTavish and colleagues at the Cornell Lab of Ornithology have mapped the evolution of every known bird species. They created a complete evolutionary tree of bird species by ...

Living organisms share an ancestor called the last universal common ancestor, or LUCA. LUCA is estimated to have lived ...

The three-dimensional shape of a protein can be used to resolve deep, ancient evolutionary relationships in the tree of life, according to a new study. It is the first time researchers use data from ...