This is Rexy, a female Tyrannosaurus Rex, a large therapod from the late cretaceous. Rexy is at her largest at this point in the franchise, at about 44.3 feet long, 17.5 feet tall, and 9.1 US tons, making her roughly the weight of an accurate T-Rex. Rexy was born in an InGen facility on Site B on the island of Isla Sorna in 1988, she was the first Tyrannosaurus Rex to be ressurected from extinction in the canonical timeline. At the age of 1 year old, she was transported to Isla Nublar to be featured in the planned theme park now known as Jurassic Park, however, a sabotage, and a hurricane resulted in her escape, she ate 1 human, a gallimimus, clashed with a triceratops, and killed 2 Velociraptors. She roamed free on Nublar until her capture in 2002 for Jurassic World, she eventually was released in 2015 to fight the genetically modified hybrid, The Indominus Rex. she roamed on nublar until she was captured in 2018, nearly auctioned, and released on the mainland until she ended up in biosyn, where she resides.