Simon Willison’s Weblog

4th August 2025 - Link Blog

I Saved a PNG Image To A Bird. Benn Jordan provides one of the all time great YouTube video titles, and it's justified. He drew an image in an audio spectrogram, played that sound to a talented starling (internet celebrity "The Mouth") and recorded the result that the starling almost perfectly imitated back to him.

Hypothetically, if this were an audible file transfer protocol that used a 10:1 data compression ratio, that's nearly 2 megabytes of information per second. While there are a lot of caveats and limitations there, the fact that you could set up a speaker in your yard and conceivably store any amount of data in songbirds is crazy.

This video is full of so much more than just that. Fast forward to 5m58s for footage of a nest full of brown pelicans showing the sounds made by their chicks!