Until then, the oldest known footprints of ... behavior -- prehistoric walking. Initially, a nearby volcano called Sadiman erupted a cloud of fine ash, like beach sand, that left a layer on ...

The footprints were likely imprinted onto the boulder as the dinosaurs passed across a patch of wet, white clay, possibly walking along or crossing a waterway during the Early Jurassic period ...

A 10-year-old girl out on a shoreline stroll on a Wales beach literally stumbled upon five prehistoric dinosaur footprints ... times use all four feet to walk. The red siltstone at Lavernock ...