Baby T.
Rex: The Original Mini Monster A new study published in the journal Biology has shed light on the early lives of Tyrannosaurus rex, revealing that these miniature monsters were just as deadly as their grown up counterparts.
The findings, based on fossilized remains of two tyrannosaurid hatchlings, confirm what many paleontologists had long suspected: T. rex babies were not the cute, cuddly creatures often depicted in popular culture.