Researchers have found that a tropical species of hummingbird called a black jacobin makes vocal sounds with an unusually high-frequency pitch that falls outside birds' normal hearing range. It's not ...

Birds don't just sing for beauty, their voices carry messages, warnings, and even regional dialects that reveal a hidden ...

Dan Stowell is a co-founder and shareholder of Warblr Ltd. He receives funding from the UK Engineering and Physical Sciences Research Council for his research on bird sounds. The sound of birds is ...