A Tyrannosaurus roars in frustration, as it searches relentlessly through a cretaceous forest.
Don't Forget Halloween!..print and place into a black frame!
Giant Millipede - Clip from First Life with David Attenborough. During the Carboniferous period, about 300 million years ago, the atmosphere was full of oxygen and giant arthropods. Subjects: biology, paleontology, evolution. Length: 2:38