sentences:  There is some evidence of gregarious behaviour in other tyrannosaurids as well.Fragmentary remains of smaller individuals were found alongside "Sue," the "Tyrannosaurus" mounted in the Field Museum of Natural History in Chicago, and a bonebed in the Two Medicine Formation of Montana contains at least three specimens of "Daspletosaurus", preserved alongside several hadrosaurs.These findings may corroborate the evidence for social behaviour in "Albertosaurus", although some or all of the above localities may represent temporary or unnatural aggregations.