In the height of the day, Petrels perform a weird and wonderful dance on the sea surface to feed on yellow-fin Tuna eggs and other tiny Plankton. Once the sun has set, bizarre glowing Jellyfish spring from the ocean depths to feed on the tiny life that floats on the waves Taken From Blue Planet Series 1 Subscribe to the BBC Earth YouTube channel: www.youtube.com/subscription_center?add_user=BBCEarth BBC Earth YouTube Channel: www.youtube.com/BBCEarth BBC Earth Facebook www.facebook.com/bbcearth BBC Earth Twitter www.twitter.com/bbcearth BBC Earth Instagram www.instagram.com/bbcearth/?hl=en Visit www.bbc.com/earth/world for all the latest animal news and wildlife videos This is a channel from BBC Worldwide who help fund new BBC programmes.