Brontosaurus

The giant Brontosaurus is one of the ......... animals to have walked on ........, reaching an amazing 23m (75ft) in length and 23 tons in ............. Despite this size, it only took about 10 years for a Bronotsaurus to be fully grown. Brontosaurus lived in the .......... Period, around 150 million years ago. They had long whip-like tails that helped balance their long ......... Earth weight largest Jurassic necks