This is a video made from a scene from the BBC's Planet Earth. The song is Miniature Action Jesus, 由 Volumen. All video owned 由 BBC, Audio owned 由 Volumen, made for entertainment and not for profit.
Special breed of goats that has a hereditary gene that causes their muscles to lock up when they are startled 或者 excited. This often results in the goats toppling over and inopportune moments.