NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY
Albertosaurus dinosaur, fossil foot bones. Close-up of the foot region of a reconstructed skeleton of Albertosaurus, showing the hind leg and foot. The upper foot bones of this predator are locked together for strength, perhaps to withstand the stresses of running. This specimen is part of the collections held at the Natural History Museum, London, UK.
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