they do the thing because they Like The Sound. caiques are extremely rhythmic birds, moreso than other parrots. although caiques are capable of hopping and dancing, they also go into sound-induced trances - where they either sway along to a noise or they repeatedly make a noise (as shown here). in a way, it’s a form of stimming.
Sky King’s Falconry was at the ren fair. This white-collared raven named Lenore takes tips from the audience to help support the organization and the work they do! www.skykingsfalconry.com
this would bankrupt me. i just wouldnt be able to stop myself from giving this birb all my money