This Earth Day, stay in and explore the beauty, drama and spectacle of our natural world with 50 incredible natural history moments from BBC Earth based on what you've been liking and sharing. This is the third of five videos.

[19:21] Walruses are among the largest seals in the world.

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#NaturalHistory #StayInAndExplore

Watch more:
Planet Earth http://bit.ly/PlanetEarthPlaylist
Blue Planet http://bit.ly/BluePlanetPlaylist
Planet Earth II http://bit.ly/PlanetEarthIIPlaylist
Planet Dinosaur http://bit.ly/PlanetDinoPlaylist

Why Do Cats Miaow? Cats Uncovered
Spider Shoots 25 Metre Web The Hunt
Pack Of Wolves Hunt a Bison Frozen Planet
Hungry Polar Bear Ambushes Seal The Hunt
Polar Bear vs Walrus Planet Earth
How do Cats Use Their Whiskers? SlowMotion Cats Uncovered
The Bowerbird's Grand Performance! Life Story
Extraordinary Octopus Takes To Land The Hunt
Antlion Cone Death Trap The Hunt
Spider Dances For His Life!! Life Story

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 thoughtprovoking natural history content. Dramatic, rare, and exclusive, nature doesn't get more exciting than this.

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