Board Thread:Movie discussion/@comment-24175751-20141026143828/@comment-1791057-20141026154721

The characters refer it to both genders, but the truth is they couldn't really know the gender since neither of them had seen a live Tyrannosaurus before. However, behind the scenes images of the baby T. rex animatronic from Stan Winston Studios shows that the coloration is green and shares markings with the full grown male animatronic.