Posted by: Rebecca Whitham, Communications Our limited-engagement “ Dinosaurs. Real Close. ” exhibit opens this weekend! We’d like to introduce you to the cast of characters you will encounter when you step back through time for a Mesozoic meetup with friends and family in the new exhibit. Brachiosaurus was one of the tallest and largest dinosaurs at about 42-feet tall and 100-feet long. This late Jurassic vegetarian weighed in at 50 tons, which is equivalent to around 20 African elephants! If the Brachiosaurus sounds a bit gassy when you encounter it in the exhibit, consider how much food it must have had to eat every day to keep up its size—which also explains why fossil evidence suggests its poop could weigh more than a small car! The crested Dilophosaurus looked fierce, but scientists tell us they likely appeared scarier than their bite. Dilophosaurus teeth and jaws were too weak to bring down or hold large prey. More likely their sharp claws and opposable thumbs wo...