Q:

What is the largest mammal on earth?

A:

Quick Answer

The blue whale is the largest mammal on earth. This species reaches lengths of 100 feet long and weighs up to 200 tons. The blue whale is believed to be the largest mammal ever to exist on earth.

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Full Answer

The blue whale is also the loudest animal on earth. The sounds it makes reach around 180 decibels, and blue whales can hear each other across a distance of 1,000 miles. Although this is the largest mammal, it eats some of the smallest organisms, consuming up to four tons of krill every day. Newly born blue whale calves stretch to 25 feet and weigh 3 tons. These monster-sized animals live an average of 80 to 90 years, though the oldest is thought to have been around 110 years old.

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Related Questions

  • Q:

    What are some facts about blue whales?

    A:

    In addition to being the largest member of the mammal family, the blue whale is also the largest creature known to have ever inhabited the planet. This marine giant grows up to 105 feet in length, can weigh up to 200 tons and can live to be 90 years old.

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  • Q:

    What are a blue whale's enemies?

    A:

    Besides humans, the blue whale's enemies are killer whales and large sharks. Adult blue whales are much larger than any individual killer whale or shark, so these animals tend to attack calves. Few creatures are capable of subduing a healthy adult blue whale, which is the largest creature on earth. Blue whales feed mainly on krill.

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  • Q:

    What is being done to save the blue whale?

    A:

    Blue whale hunting is banned by the International Whaling Commission, and the blue whale is listed as endangered by the IUCN Red List of Endangered Species and the U.S. Endangered Species Act as of 2014. Other conservation efforts include monitoring populations by satellite tags and shipboard observers.

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  • Q:

    Why is the blue whale endangered?

    A:

    The blue whale is endangered because it was hunted almost to extinction in the late 19th and early 20th century. Though the International Whaling Commission banned the hunting of blue whales in 1966, some countries continued to illegally hunt them until the 1970s.

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