Great Transitions: The Origin of Birds

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.

- HHMI Biointeractive

Living Dinosaurs

Julia Clarke talks about her research on the origin of birds.

- Denver Museum of Nature & Science

Why Do Some Animals Have Wings?

Experts may have all the answers; but, let's face it, kids have all the best questions. Seven-year-old Edden wonders birds and their different types of feathers.

- HuffPost Live

Microraptor Suggests Feathers Evolved to Attract Mates

Julia Clarke discusses how a tail shape with feathers may have originated as a function of communication rather than aerodynamics, which came later in the evolution of flight.

- The University of Texas at Austin

5-Foot Penguin Fossil Discovered

Scientists have unearthed fossilized remains of a 5-foot-tall penguin in present-day Peru. The 36-million-year-old fossil sheds light on bird evolution, according to National Geographic grantee Julia Clarke.

- The University of Texas at Austin

Dinosaurs Alive

Journey with some of the world’s preeminent paleontologists as they uncover evidence that the descendents of dinosaurs still walk (or fly) among us.

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The Four-Winged Dinosaur

Surprising fossils from northeastern China spur a debate over how birds evolved.

Read the program transcript →