Blue Whale Facts

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What is the maximum weight of a blue whale?

440,000 pounds

How do blue whales breathe?

Through their blowholes

What is the estimated population of blue whales today?

10,000

What is unique about the markings of blue whales?

They are all different

What type of hunters are blue whales?

Mid-water hunters

Study Notes

  • Blue whales are the largest animals ever to have lived on Earth, growing up to 30 meters (100 feet) long and weighing up to 440,000 pounds.

  • Each blue whale has its own unique markings, which can be seen in clear photographs.

  • Blue whales have one of the loudest voices on Earth, and their call can be louder than a jet engine.

  • Blue whales are mid-water hunters, but they need to come to the surface to breathe and inhale and exhale through twin blowholes.

  • Blue whales are conscious sleepers, meaning they are maximally efficient during their time awake.

  • Blue whales are the largest animals on Earth and can weigh up to 100 tons.

  • Blue whales feed on small things like krill and cannot swallow adult humans.

  • Blue whales migrate each year between different cold- and warm-water habitats.

  • Blue whales have a built-in thermal insulator that helps them keep warm in the cold ocean waters.

  • Blue whales used to be much more numerous, but hunting by humans has reduced their population by more than 99%.

  • Blue whales are the largest animals on Earth and can reach lengths of more than 20 meters.

  • The blue whale is one of the most endangered of the great whales, with a population size of only 10,000 to 25,000 today.

  • Most biologists consider the blue whale to be one of the most endangered of the great whales.

Test your knowledge about the largest animals on Earth with these interesting facts and trivia about blue whales and their unique characteristics.

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