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The short answer is, BLUE WHALE is the HEAVIEST animal to ever live. AMPHICOELIAS fragillimus (sauropod dinosaur) was the LONGEST animal to ever live. SAUROPOSEIDON proteles (sauropod dinosaur) was the TALLEST animal to ever live.
The term "large" could be defined in terms of weight, length, or even height. In addition, when you use the phrase "to ever live on Earth", I think you have to consider at least the low-end estimates provided by paleontologists and researchers who analyzed fossilized remains.
The heaviest blue whale recorded weighed roughly 195 tons. The longest blue whale recorded was 110 feet, but this whale was not weighed. It is likely it weighed close to 200 tons or slightly more. Bruhathkayosaurus matleyi, a prehistoric sauropod (titanosaur), was estimated to be the heaviest dinosaur ever to live, weighing 139-175 tons (scaled back from a previous estimate of 175-220 tons that was declared inaccurate by the original researcher). The blue whale still outweighs it, therefore making the BLUE WHALE is the HEAVIEST animal to have ever lived, which should not be surprising given that it lives in the ocean. There is always the possibility that prehistoric whales or land-dwellers weighed more, but no evidence of that has yet been found.
Amphicoelias fragillimus was also a sauropod dinosaur, a fossil of which was studied in the 1870s. The fossil has since gone missing (not sure what that means). However, studies were done before it was lost, and field notes suggest the animal could grow to between 130-200 feet in length. Even this low-end estimate is longer than that of the longest blue whale we have ever recorded. Therefore, in my view it is safe to assume that AMPHICOELIAS fragillimus was indeed the LONGEST known animal to have ever lived (130-200 ft). If other, longer whales or dinosaurs existed, no evidence of them has been found.
Sauroposeidon proteles, another sauropod dinosaur, stood at an amazing 56 feet (6 stories) with its neck extended, making it the tallest known animal to ever walk the earth. By comparison, the Brachiosaurus stood 30 feet high and the tallest modern giraffe stood 20 feet high. Therefore, SAUROPOSEIDON proteles was the TALLEST known animal to have ever lived. If anything taller existed, we do not know about it.
Again, you can't expect these estimates to be 100% accurate when you are talking about animals that lived hundreds of millions of year ago. Yet these studies involved scaling the bones of better-known species in the sauropod family, assuming their relative proportions were similar. The low-end estimates are probably correct, and at least have not been seriously called into question.
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What is the largest in weight animal to have ever lived on your earth?
Was and still is the Blue Whale
What is the biggest eater?
Presumably you mean the biggest living animal. That would be the Blue Whale. It grows up to 30 metres (98ft) and weighs up to 170 tonnes. It is the largest animal known to have ever existed, currently and prehistorically. A blue whale can consume 40 million Krill in a day.
What was the biggest flying thing ever?
The largest flying animal was the Quetzalcoatlus, a pterosaur that lived around 68 million years ago. It had a wingspan of up to 36 feet, making it larger than any bird known to have existed.
What is the biggest thing that ever lived?
It depends what you mean by largest thing.Some plants can be a single organism and cover acres of ground.Some types of marine life can also be huge in extent, mass or length.The largest mammal that has ever existed is the Blue Whale.
What animal was the largest to exist on planet earth?
The largest animal to ever exist on Earth is the blue whale. They can reach lengths of over 100 feet and weigh more than 200 tons, making them larger than any dinosaur that ever lived.
