I see wonderful things

Physics says energy would be lost due to inefficiency of the wheel, and it wouldn't make a complete loop with the bird on it. This cockatoo actually learned to move in a way that adds energy to the system

[full video: https://t.co/u7nrU3IWi9]pic.twitter.com/isQaBXS6vZ

— Massimo (@Rainmaker1973) March 17, 2023