Feathers are among the most complex cutaneous appendages in the animal kingdom. While their evolutionary origin has been ...

Cranial kinesis allows modern birds to eat a wider variety of foods and use their beaks as multifunctional tools.

Modern birds are the living relatives of dinosaurs. Take a look at the features of flightless birds like chickens and ...

Yet birds differ from their reptile ancestors in many important ways. A turning point in their evolution was the development of larger brains, which in turn led to changes in the size and shape of ...

New research shows how bird songs evolve with population changes. Young birds drive new songs, while older ones preserve ...

New research has provided fresh insights into how bird songs evolve over time, revealing a significant role for population dynamics in shaping song diversity and change. The findings are based on an ...

Scientists suggest that bigger brains in bird ancestors led to more flexible skulls, playing a key role in their evolution.

Scientists discovered two Jurassic bird fossils in China, pushing back bird diversification by 20 million years. One, ...

Scientists uncovered a 149-million-year-old bird fossil in southeastern China with unexpectedly modern traits they believe could rewrite the evolutionary history of birds.

The Galapagos Rail had not been seen on this island since Charles Darwin's visit to the archipelago in 1835, until now.