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Nature’s Giants: 12 Animals That Redefine the Meaning of ‘Big’

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Welcome to a world where giants roam! Get ready to dive into the incredible lives of the 12 largest animals on Earth. These colossal creatures will leave you in awe of their size and amazing features. From the vast ocean depths to the wide plains, let’s set off on an exciting journey to discover what makes these animals truly extraordinary.

Sperm Whale

sperm whale

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This toothed predator holds the record for the largest predator on Earth. It’s a genuine giant, weighing up to 40 tons and measuring up to 60 feet long. But here’s a remarkable fact: the sperm whale has the biggest brain of any mammal, weighing up to 7 to 8 kg or 20 lbs (source: American Museum of Natural History). These smart creatures can also dive down to an astonishing 2,000 feet! According to NOAA, these smart creatures routinely swim to 2000 ft and can swim up to 10,000 ft.



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Orcas are the biggest member of the dolphin family. They are huge, weighing up to 10 tons and reaching lengths of up to 32 feet. They are apex predators, meaning they are at the top of the food chain. These intelligent creatures can consume many species, including fish, seals, and even other whales. They’re also recognized for their wit and strong social relationships.

Asian Elephant

asian elephant

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Next, we have the Asian elephant, the smaller cousin of the African elephant. Weighing up to 6 tons and standing up to 10 feet tall, these remarkable animals have smaller ears than their African relatives, which help them stay cozy in colder climates. Asian elephants are herbivores, munching on leaves, grass, and fruit. They’re also incredibly social creatures that value their tight-knit groups.

Pacific Walrus

pacific walrus

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These creatures, weighing up to 3 tons and measuring up to 10 feet long, are well-equipped for their cold environment. They have long tusks that they use to dig, battle, and communicate with their companions. Speaking of friends, they live in herds of up to 100 individuals, showcasing their strong sense of community.

Saltwater Crocodile

saltwater crocodile

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The biggest crocodile species, the saltwater crocodile, are prehistoric reptiles that are truly apex predators. They can weigh up to 2 tons and reach up to 23 feet long. They are vicious hunters, capable of consuming fish, turtles, and even big animals. You don’t want to go near these fearsome beasts!

Great White Shark

great white shark

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The great white shark is the largest predatory fish, weighing up to 4 tons and measuring up to 20 feet long. These fantastic creatures have a great sense of smell, detecting even the tiniest drop of blood in the water from miles away. As apex predators, they’re masters of their underwater domain.



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Now let’s set foot on the African savannas and meet the towering giraffe. Reaching heights of up to 19 feet, these elegant animals have the longest necks on Earth. This incredible adaptation allows them to munch on leaves from tall trees that other animals can’t reach. Giraffes are gentle herbivores that enjoy feasting on leaves, shoots, and fruit.

Kodiak Bear

kodiak bear

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Time to journey to the Kodiak Islands in Alaska and meet the Kodiak bear, the largest subspecies of brown bear. These bears are powerhouses, weighing up to 1,500 pounds and reaching 10 feet tall when standing (source: Alaska Department of Fish & Game). They’re omnivores, meaning they eat various foods, including fish, berries, and even moose. The untamed wilderness is their home.

Blue Whale

blue whale

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Picture something so large that it’s difficult to believe it exists. Meet the blue whale, the world’s biggest mammal. It can weigh up to 200 tons and be 100 feet long. To put that into context, its heart is roughly the size of a Volkswagen Beetle! And get this: the tongue of a blue whale weighs the same as an elephant.

Polar Bear

polar bear

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The polar bear resides in the Arctic region and claims the title of largest land carnivore. Weighing up to 1,500 pounds and measuring 8 feet long, these magnificent creatures are built for survival in icy conditions. They’re carnivores, meaning their diet includes seals, walruses, and even whales. Their white coats blend perfectly with the snowy landscape, so they’re true masters of the frozen world.

American Bison

american bison

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The great plains of North America are home to the American bison, the largest land mammal in the region. Weighing up to 2,000 pounds and measuring 10 feet long and 6 feet in height, these incredible creatures are herbivores, feasting on grasses, leaves, and shoots.

African Elephant

african elephant

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Now let’s check out the biggest land animal around. These gentle giants can weigh up to 14 tons and stand up to 13 feet tall. That’s like having a small building walking right next to you! African elephants live impressively long lives, reaching up to 70 years. And those magnificent ivory tusks they have? They can grow as long as 14 feet.


This originally appeared on Planet Natural.

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Melissa Pino is a biologist, master gardener, and regular contributor for Planet Natural. Melissa's work focuses on promoting environmentally-friendly practices, helping people create healthy gardens and finding ways to achieve overall health and wellness.

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