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Whether it's scrapping over breeding rights, enduring extreme conditions, or boasting a supercharged immune system, being tough is essential to staying alive.

Nature's Ultimate Survivors With the Blowfish

Toughest

Nature's predators come in all shapes and sizes; whether they use fangs, claws, or teeth, once in their sights, their prey has little hope of survival; these are nature's formidable hunters.

Hunters

Whether it's flying in the sky, swinging through the trees, leaping off buildings, or defying gravity, Tom The Blowfish Hird is going higher than ever before to find nature's ultimate highflyers.

High Flyers

Nature is filled with no shortage of flamboyant creatures. Tom The Blowfish Hird shines the spotlight on outrageous exhibitionists in his search for the natural world's greatest showmen.

Performers

Heavy metal marine biologist, Tom The Blowfish Hird, scours the globe to find the Top 10 most ingenious animal craftsmanship. Which animal will be crowned nature's master builder?

Builders

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The need for speed is an essential skill to survive in a hostile world-and, for some animals, can be the difference between catching a meal or becoming dinner. But which animal is the fastest?

S1 E6 | Toughest