Above: A photo collage by Mathew Wedel, showing the relative sizes
of a blue whale, a Brachiosaurus, an elephant, and some humans.
Blue Whale Biology
Blue whales are the biggest animals that have ever lived on earth; longer than the longest known dinosaur, and much more massive.
They inhabit every ocean on the planet, and travel from frigid polar waters, where they feed, to warm tropical waters, where they give
birth to their calves. In spite of their great size and range, there is still much we don't know about these gentle giants. You can find
out a bit more by learning about:
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