How unique are human beings?
If you are looking for characteristics that distinguish human beings from other animals, you can cross “dances to music” off the list. Recent research suggests that talking animals may have a connection between sound and movement that grounds dancing in rhythmn. And quite a bit of research of videos on youtube indicates that the talking birds may share this capacity. Below are two videos of the amazing Snowbird, a sulphur crested cockatoo. The first is short and vivid; I suppose it may be enhanced, since it’s a commercial. The second is long and more of home video, where the home is a bird sanctuary.
When he appears on stage, Snowbird tends to get distracted, so his handler/companion, Irena Shultz, dances with him, as in the following. He is apparently is quite a complex character, and this is indicated at the end: