Walruses
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The walrus lives in the cold northern regions of the world, dwelling in frigid areas. They have a diet consisting primarily of clam meat, muscles and other shellfish, as well as the carcasses of dead seals.
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The Blue Whale is the largest animal ever known to have lived on Earth. It can grow up to over 100 feet long and weigh around 200 tons, feeding mainly on krill. Blue Whales were heavily hunted for their blubber and oil until 1966, bringing the species close to extinction before laws were passed banning commercial whaling and protecting the Blue Whale population.
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Blue whale[2]
The blue whale is the largest animal on Earth. It can grow up to 110 feet long and weigh over 200 tons. Blue whales are found in all oceans and feed mainly on krill and small fish. They were heavily hunted for their oil and baleen in the 20th century, and are now endangered with only around 10,000-25,000 remaining. International bans have protected blue whales since the 1960s, but threats like pollution and climate change still endanger the species.
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Whales evolved from land mammals over 50 million years ago. They have adaptations like blubber for insulation and buoyancy, and efficient oxygen exchange to stay submerged for long periods. Whales are divided into two groups - toothed whales that hunt prey and baleen whales that filter feed krill. Despite threats from whaling, conservation efforts have helped some whale populations recover.
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Walruses
- 2. The walrus dwells in the northern hemisphere of the world, living in one of the coldest places on earth.
- 3. The walruses diet consists of clam meat, muscles and other food like those things, and also the carcasses of dead seals.