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What is the biggest animal that ever lived?


As human beings, we are constantly fascinated by the animal kingdom and especially the grand creatures that it holds. One of the most intriguing questions for animal enthusiasts is: what is the biggest animal that ever lived? To answer this question, we will delve into the depths of history and explore the grand creatures that once roamed the planet.


When we think about grand creatures, the first thing that comes to our mind is dinosaurs. Dinosaurs were undoubtedly some of the largest creatures to ever exist on the planet. Some of the most enormous dinosaurs that have been discovered include:

  • Argentinosaurus: weighing around 100 tons, this dinosaur reached a height of 100 feet and was the size of an eight-story building
  • Seismosaurus: weighing approximately 80 tons, it was one of the longest dinosaurs to ever exist, its lengthy body measuring around 130 feet
  • Dreadnoughtus: this dinosaur weighed around 60 tons and stood at a height of 85 feet, making it one of the largest creatures to ever exist


While dinosaurs were the largest creatures in history, they are not the biggest animals to ever live on the planet. Currently, the biggest animal to ever exist is the blue whale, an iconic marine mammal that is found in different parts of the world. Let’s explore some fascinating facts about blue whales:

  • Blue whales can grow up to 100 feet long, making them longer than two buses parked end-to-end
  • They have a heart that is as big as a car and can weigh up to 1,000 pounds
  • Their tongue alone weighs as much as an elephant
  • Blue whales require 4 tons of food every day during the feeding season, which runs from about June to December

Apart from blue whales, there are other whales that are notably large as well. The sperm whale, for instance, is the largest toothed whale and an adult male sperm whale can weigh up to 50 tons.


In conclusion, the biggest animal to ever exist is undoubtedly the blue whale. It is fascinating to learn about the grand creatures that once roamed the planet and how they have evolved over time. With advancements in technology, who knows what new discoveries the future holds, and what incredible creatures we may have yet to discover.

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