The transition from a lumbering, heavy dinosaur body to the flight-adapted bird body plan is one of many fascinating episodes ...

Scientists have discovered a previously unknown fossil goose that challenges a decades-old theory about the evolution of New ...

A 150-million-year-old bird fossil, Zhengheornis, reveals the first step in the evolution of the short tails seen in modern ...

The find revealed a transitional stage in the tail’s development, in which it was already noticeably shorter but had not yet ...

Palaeontologist Steve Brusatte's The Story of Birds offers an excellent and sometimes startling account of bird evolution, ...

Shapes of beaks and snouts come in an extraordinary range of forms, reflecting adaptations to different lifestyles and environments. Yet beneath this diversity lies a paradox: across birds and mammals ...

More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a study in the journal Evolution, researchers ...

Scotland’s island wrens are quietly breaking the rules of evolution, growing in ways that have stunned researchers and raised ...