Mondo Knows Facts
The blue whale is the largest animal known to have ever existed
Adult blue whales reach lengths of thirty metres and weigh up to 200 tonnes
Growing up to 30 metres long and weighing up to 200 tonnes, the blue whale is larger than any known dinosaur species. Its tongue alone can weigh as much as an elephant, and its heart is roughly the size of a small car. These marine mammals feed almost exclusively on tiny krill, consuming up to four tonnes daily.
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Tags: blue whale, marine life, mammal
The blue whale is the largest animal known to have ever existed: the short answers
- Where does this come from, and can I check it?
- Adult blue whales reach lengths of thirty metres and weigh up to 200 tonnes. The figure is taken from NOAA, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
- Is this really a records & extremes fact?
- Yes. It sits on the Records & Extremes shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
- What else can I read about it?
- The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.