Whales are really big, and a hippopotamus is roughly the same size as a rhinoceros. But do you know the biggest mammals by category? Here’s a list of the 20 biggest mammals, in 20 categories, starting with the biggest whale and ending with the biggest shrew
Biggest Whale: Blue Whale ( 200Tons)
At 100 feet long and 200 tons, not only is the blue whale the biggest mammal in the world, but it’s also the largest vertebrate animal that has ever lived. Not even the largest dinosaurs approached it in bulk. Some titanosaurs were over 100 feet long, but they didn’t weigh 200 tons. Fittingly, the blue whale is also the loudest animal on earth. This cetacean can vocalize at 180 decibels, enough to render most other animals deaf.
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