The Pin-tailed Whydah's courtship dance, 

a mid air ballet where the male exerts extreme effort and energy for the affections of the female, serenading her as he hopefully displays his nearly 8inch long tail feathers (20cm)
 https://t.co/5v9iQYOnhV https://video.twimg.com/ext_tw_video/1533590085307867136/pu/vid/720x1140/x43x81jwTiMw0ov4.mp4?tag=12