The Top Arctic Predator Revealed: Surprising Answer to the Number 1 Predator on Earth

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What is the number 1 predator on Earth?

Have you ever thought of what the biggest predator on Earth is? Is it the lion, tiger, or the shark? As much as these animals can be dangerous, they are not the largest predators. The biggest predator on Earth is actually a marine mammal that lives in the icy waters of the Arctic: the polar bear.

The Polar Bear – The Ultimate Predator

The polar bear or Ursus maritimus, is the largest predator that lives on land and is well-suited to the Arctic environment. Its large paws provide traction on the ice, and its fur coat keeps it warm in the extreme cold. With a weight of up to 1,000 pounds and a height of about 10 feet, the polar bear can easily take down its prey.

The Arctic Food Chain

Polar bears are on the top of the Arctic food chain, and they can hunt a variety of animals such as seals, walruses, and fish. The seals’ high-fat content is an essential part of their diet, and during the winter months, when there is little food available, the polar bears rely heavily on the fat reserves in their bodies to survive. Polar bears are also known to scavenge carcasses left behind by other animals.

Threats to Polar Bears

Unfortunately, the polar bear is facing a significant threat due to climate change. The Arctic ice is melting, and this affects the polar bear’s habitat and food sources. The polar bear relies on the sea ice to hunt its prey, and as the ice disappears, it is becoming increasingly challenging for the polar bear to find food, which is leading to malnutrition and death. With their habitat decreasing and the food sources becoming scarcer, polar bears are becoming more vulnerable to other threats such as hunting and pollution.

Other Predators in the Arctic

The Arctic is also home to some other lesser-known predators, such as the Arctic fox and the Greenland shark. The Arctic fox is a small carnivore that has adapted to the harsh Arctic environment by changing the color of its fur from brown to white in the winter. This helps it to blend in with the snow and ice, making it easier to catch its prey. The Greenland shark, on the other hand, is a slow-moving but fierce predator that can grow up to 20 feet long. It typically preys on fish and other sharks, but it has also been known to attack and consume seals and even polar bears.


In conclusion, the polar bear is the number one predator on Earth. Living in the harsh Arctic environment, it has adapted to its habitat to become a successful predator that can take down animals much larger than itself. However, with the threat of climate change, pollution, and hunting, the polar bear is facing an uncertain future. It is essential that we work to protect these magnificent animals and preserve their habitat for future generations to enjoy.


Derocher, A. E. (2012). Polar Bears: A Complete Guide to Their Biology and Behavior. Johns Hopkins University Press.

Lunn, N. J. (2016). Polar bears: A conservation icon in trouble. Frontiers in Ecology and the Environment, 14(5), 259-267.

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