Q:

What animal is bigger than any dinosaur?

A:

Quick Answer

The largest animal ever known to exist is Balaenoptera musculus, commonly known as the blue whale. The blue whale is larger than any dinosaur discovered so far.

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Full Answer

The largest blue whale ever weighed, an adult female, was 389,760 pounds. In contrast, the largest known dinousaur, Argentinosaurus, weighed only about 180,000 pounds.

Adult blue whales can be anywhere from 75 to 100 feet in length. They subsist on a diet of mostly krill, filtered through baleen plates in the whale's mouth; an adult whale can eat about 8,000 pounds of krill a day. Although their mouths are large enough to accommodate 198,000 pounds of water and krill, their throats are only large enough to pass an object the size of an inflated beach ball.

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