What killed the mega beasts. Prehistoric assassins: blood in the water. Rise of the feathered dragon.
Notes:
Title from container. "Discovery Channel." Originally produced for television.
Contents:
What killed the mega beasts / produced by Darlo Smithson Productions Limited for Discovery School -- Prehistoric assassins / produced by Workaholic Productions, Inc. for Discovery Channel -- Rise of the feathered dragon / produced by Think Film, Inc. for Science Channel.
Summary:
Journeys back millions of years to experience life among giant prehistoric predators and examines the scientific evidence of their existence and the conditions that may have precipitated their extinction.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.