The common swift may not have a fancy name, but these small birds are marvels of velocity. Regularly cruising around 110kph ...

Our planet is brimming with life, and the diversity of animal species on Earth is staggering. Over 2.1 million animal species have been described, but zoologists estimate that millions more have yet ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

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 ...

The southern cassowary ( Casuarius casuarius) is one of the most dangerous birds on Earth, and while its powerful legs and ...

Birds are among the most intelligent and talkative animals in the entire world. Their babbling, chatty, and loose-lipped mimicry have inspired various stories, both humorous and dark, from across all ...