In autumn, brown bears can eat up to 40 kilograms of food per day to bulk up for winter, where they have to rely on body fat stores. They aren't fussy eaters either - they'll consume anything from fungi and insects to salmon and elk.

#EarthCapture by Greg Piper via Instagram
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Army of Crabs Protect Spy Robot From Stingray ｜ Spy In The Ocean ｜ BBC Earth
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The Sex-Shifting Fish ｜ 4KUHD ｜ Blue Planet II ｜ BBC Earth
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The typical grey/white colouring of a shark's skin serves a dual purpose. Grey tones allow them to blend in with the sea when seen from above by prey, and their white underbellies help them to 'camouflage' with the sun.

#EarthCapture by Galen Neil via Instagram
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Humans Living Alongside Brown Bears ｜ 4KUHD ｜ Japan： Earth's Enchanted Islands ｜ BBC Earth
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Deep Sea Parasites Flourishing in Marine Ecosystems ｜ Into The Deep ｜ BBC Earth
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What Lurks in the Midnight Zone？ ｜ Blue Planet II ｜ BBC Earth
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Baby Whale Playtime Gets Dangerous ｜ Spy In The Ocean ｜ BBC Earth
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Honey Hunters vs Bees and Tigers ｜ Ganges ｜ BBC Earth
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Humbolt Squid Communicate with Light ｜ Into The Deep ｜ BBC Earth
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Eel Suffers Toxic Shock ｜ 4K UHD ｜ Blue Planet II ｜ BBC Earth
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Journey Through The Seven Continents Of Our World ｜ 4K UHD ｜ Seven Worlds One Planet ｜ BBC Earth
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Crane Protects Baby Chick from Deer Herd ｜ 4K UHD ｜ Japan： Earth's Enchanted Islands ｜ BBC Earth
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Are Humpback Whales the Pop Stars of the Ocean？ ｜ Into The Deep ｜ BBC Earth
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Cuttlefish Hypnotises Prey ｜ Blue Planet II ｜ BBC Earth
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