Duration: 4:10

67,186 views

2,384

Arctic terns undergo the longest migration of any animal, travelling over 30,000km from Antarctica to Svalbard. But whilst they fish, their unattended chicks face dangerous predators…

Subscribe: http://bit.ly/BBCEarthSub

#PolarBear #Arctic #Antarctica

Watch more:
Best of BBC Earth 🌍 https://bit.ly/BestOfBBCEarth
Best Animal Fights 🥊 https://bit.ly/BestAnimalFights
Videos over 10 minutes ⏰ https://bit.ly/3SHJCEJ
Planet Earth III 🌍 https://bit.ly/PlanetEarthIIIPlaylist
Frozen Planet II ❄️ https:/bit.ly/FrozenPlanetIIPlaylist
Blue Planet II in 4k 🌊 https://bit.ly/BluePlanetII4kPlaylist

(ARCHIVE VIDEO TITLE + DESCRIPTION)

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: http://bbcworldwide.com/vod-feedback--contact-details.aspx