When Whales Walked: Journeys in Deep Time

When Whales Walked: Journeys in Deep Time

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Crocodiles, birds, whales, and elephants evolved over multiple mass extinctions to become the animals we know today.

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When Whales Walked: Journeys in Deep Time

87 Minutes

This evolutionary journey asks why whales are so big, why elephant tusks are shrinking, and why birds are everywhere.