"Holy shit. This guy saved a PNG to a bird," read the beginning of a Bluesky post that linked to a 30-minute Youtube video about birdsong and starlings' capacity for mimicry. A guy drew a picture of a bird in a spectral synthesizer, which then will produce the sounds that the lines indicate.** The guy played those sounds for a starling, and lo and behold, the bird copied it--such that when you look at the spectrogram, you see a picture of a bird that's very close to the picture the guy had drawn...