First Baby Tyrannosaur Bones Unearthed in Canada and USA
According to research conducted by the University of Edinburgh on the first ever fossils from a tyrannosaur embryo, the babies were about three feet long (or about the same size as a medium-sized dog) when they hatched from eggs approximately 17 inches long. Paleontologists conducted extensive studies such as 3D scans on a jaw bone and a claw that were discovered in the United States and Canada. The small lower jaw bone, which was a little over an inch in length and had a pronounced chin, was discovered in Montana and dates back about 75 million years. There were several triangular teeth with...