The Biggest Migration on the Planet | Into the Deep | BBC Earth

Every day, trillions of marine species play a massive game of hide and seek in the ocean, in a process that is known as diel vertical migration. Subscribe: #BBCEarth #IntoTheDeep Watch more: Planet Earth Blue Planet Planet Earth II Planet Dinosaur Welcome to BBC EARTH! The world is an amazing place full of stories, beauty and natural wonder. Here you’ll find 50 years worth of entertaining and thought-provoking natural history content. Dramatic, rare, and exclusive, nature doesn’t get more exciting than this. This is a commercial page from BBC Studios. Service information and feedback: