Brachiosaurus was the first sauropod recreated by InGen and currently the biggest dinosaur present on Isla Nublar.
These clones chew their food unlike the original Brachiosaurus and other sauropods, which means that the Brachiosaur clones don't require gastroliths to aid in digestion. Also, unlike the original dinosaur, the cloned Brachiosaurus have hind legs strong enough to allow them to get into a tripod stance while feeding. Another odd characteristic are the nostrils, which are located on the forehead rather than near the snout region. They communicate by using whale-like hoots. The Brachiosaurs come in two different colors, one being gray-brown, and the other being beige with green stripes and dark red on their crests. The green variation are the males of the species.
When the Brachiosaurs reached a certain age, they would be transported to the nearby island Isla Nublar to serve as an attraction for InGen's Jurassic Park.
The Brachiosaur can be found roaming the plains near the river and eating the plants on the edge of the jungle, often moving together with the Apatosaur.