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Ancient Fauna, Flora & Fungi
How the Turtle Got Its Shell
Where did turtles come from? And how did the they get their shells?
S1 Ep33 | 8m 29s
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How the Squid Lost Its Shell
Ancestors of cephalopods all had shells until it proved to be their biggest weakness.
S1 Ep38 | 8m 5s
Why Triassic Animals Were Just the Weirdest
Why the Triassic was full of creatures that look a lot like other, more modern species.
S1 Ep44 | 9m 7s
When Fish First Breathed Air
Before a group of fish could live on dry land, they acquired the ability to breathe air.
S1 Ep46 | 8m 40s
When Insects First Flew
Insects were the first animals to fly. Scientists are still working on how it happened.
S1 Ep49 | 8m 38s
When Fish Wore Armor
420 million years ago, some fish wore armor – and it may have served a surprising purpose.
S1 Ep51 | 9m 37s
When Birds Had Teeth
How did Archaeopteryx relate to today’s birds? Its teeth provide a major clue.
S1 Ep52 | 11m 29s
How Horses Took Over North America (Twice)
Horses vanished from North America for 10,000 years until a mammal brought them back.
S1 Ep53 | 9m 8s
The Rise and Fall of the Bone-Crushing Dogs
What happened to the biggest dogs that ever lived?
S1 Ep55 | 8m 29s
Life, Sex & Death Among the Dire Wolves
Dire wolves were real! Their remains taught us a lot about how they lived.
S1 Ep56 | 9m 15s
When Giant Amphibians Reigned
A look at when Temnospondyls Amphibians existed for 210 million years
S1 Ep60 | 9m 51s
When Giant Scorpions Swarmed the Seas
Sea scorpions thrived for 200 million years, coming in a wide variety of shapes and sizes.
S2 Ep17 | 11m 38s