ウド・ノイマンのインスタグラム(_udini_) - 2月19日 18時18分

Evolution of life, episode 1 - crawling in the footsteps of Dinosaurs! (The prints on the shelf of Lower Cretaceous rock are those of a herbivorous biped also known as an Ornithopod. This was a three-toed (tridactyl) creature, and it is the rounded shape of these toes, with no claw marks, that implies it only ate vegetation. From studies of the footprints more information can be gathered as to how the dinosaur moved. As they are more or less in line, the hips must have been swivelled at each stride. From the length of each, it can be estimated that the animal stood at around 2.20m - at the hips. The upper body would have been inclined forward. From the distance between each step it has been estimated that the dinosaur was moving at around 2km per hour)

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