Great Transitions | HHMI BioInteractive

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In this series

16

Short Film

The Origin of Tetrapods

(17 min 11 sec) One of the most exciting discoveries in the long history of fossil exploration is Tiktaalik, a creature with a mix of features common to fish and four-legged animals, or tetrapods.
29

Short Film

The Origin of Birds

(18 min 59 sec) In the second film of the Great Transitions trilogy, paleontologist Julia Clarke takes us on a journey to uncover the evidence that birds descended from dinosaurs.
25

Short Film

The Origin of Humans

(19 min 44 sec) Which traits distinguish humans from other primates? When and where did these traits evolve? Analysis of the major fossil finds from Africa, dating back to 4.4 million years ago, provides answers to these questions and reveals the history of our evolutionary origins.