Border Collies 'segregating' ducks by color.

Next level of solving rubik's cube! 😂😂 https://t.co/wppf31DGX2 https://video.twimg.com/ext_tw_video/1857909591654199296/pu/vid/avc1/720x1280/OLCZPcNk7x4IusrF.mp4?tag=12