Time of the Titans, Walking with Dinosaurs, BBC Documentary Series, Episode 2

This episode follows the life of a female Diplodocus, beginning at the moment when her mother lays a clutch of eggs at the edge of a conifer forest. Months later, some of the eggs hatch; the young sauropods are preyed upon by Ornitholestes. After hatching, the hatchlings retreat to the safety of the denser trees. They face many dangers as they grow, including predation by Ornitholestes and Allosaurus. While fending off a pair of Allosaurus, a Stegosaurus also accidentally kills one of the hatchlings while swinging its tail. Elsewhere, adult herds of Diplodocus are shown using their massive weight to topple trees in order to reach cycad leaves. Each Diplodocus hosts a small mobile habitat of damselflies, Anurognathus, and dung