Just a short clip

There is not much in the video realm that differentiates Giraffatitan from Brachiosaurus. There is this Spore video that I found, but if you really want a video of the way it would have moved, you might want to watch the beginning of Jurassic Park over again. As for information, there just is not that much that has been differentiated between on account of the fact that most of what science has taken from the animal is attributed to Giraffatitan but still labeled as Brachiosaurus, if that makes sense.