When people think of the biggest animals, their minds often go to those that lived 100 million to 200 million years ago, known by scientists as the Mesozoic Era period. According to Britannica, the biggest of these was probably Dreadnoughtus. It weighed 150 tons, according to scientists, and was almost 100 feet long. Other dinosaurs were nearly as large. Dinosaurs died out above 65 million years ago. Their size is, however, a good yardstick for the largest animal alive today.

Blue Whale is The Loudest Animal : Study

The largest animal in the world today is the blue whale, which can weigh up to 180 tons. They are as much as 100 feet long and have a life span of about 80 years. They are also the largest mammals in the world. The earth’s largest animals are almost exclusively whales, and most have long lifespans, according to Safaris Africana.

Most scientists also say the blue whale is the largest animal that ever existed. The World Wildlife Fund says that “The blue whale has a heart the size of a Volkswagen Beetle” It also points out the blue whale is the loudest animal, with a call of 188 decibels, “which is louder than a jet engine.”

Blue whales feed on krill, which are crustaceans. According to the Natural History Museum, it can eat four tons of krill a day.

The blue whale population is widely spread. According to the NOAA, they live in every ocean except the Arctic.

Originally published by 24/7wallst

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