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Eons
When Birds Stopped Flying
Season 2
Episode 2
Ratites have spread to Africa, Australia, New Zealand, and South America. And there are fossils of Ratites in Europe, Asia, and North America too. That’s a lot of ground to cover for birds that can’t fly. So how did Ratites end up all over the world?
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Yellowstone contains some of North America's most amazing fossil deposits.
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Horses vanished from North America for 10,000 years until a mammal brought them back.
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420 million years ago, some fish wore armor – and it may have served a surprising purpose.
7:59
In the 1800s, miners found beautifully preserved fossils of animals from the Eocene.
8:38
Insects were the first animals to fly. Scientists are still working on how it happened.
9:20
To celebrate our first anniversary together, we’d like to answer some of your questions.
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Why the Triassic was full of creatures that look a lot like other, more modern species.