National Geographic Documentaries

Dinosaurs Decoded (2009x205)

Ημερομηνία προβολής: Οκτ 11, 2009

National Geographic reviews Jack Horner's research into juvenile dinosaurs. His evidence suggests that juvenile dinosaurs looked sufficiently different from adults that they have sometimes been mistaken for a separate species. The program examines specific changes that occurred as dinosaurs aged and speculates on why the changes were necessary.