I like to think that bird song, evolved over millions of years going back to their dinosaur ancestors, is a language that encodes vast amounts of information that our brains can't even begin to understand the complexities of
If you haven't seen it, you might enjoy Benn Jordan's video of "saving" a PNG to a bird:
https://www.youtube.com/watch?v=hCQCP-5g5bo
(Besides the hook-y title, some interesting info on the acoustics of bird songs with some cross-over into tech.)