Biologists investigated whether birds that search for multiple mates would evolve ever more elaborate songs to attract them. What they found might have surprised Darwin.
Robins are a much loved Christmas icon, but wind turbines installed in their habitat are affecting their song, with worrying consequences.
Today, we're hearing about a researcher who records birdsong, how tech changes music and why song might help address Indigenous language loss.
Both male and female birds sing to impress other birds, but as well as that, they do it for pleasure!