Another image added toward the end, this marshy landscape is little more than trees and a distant castle, but hidden in the forground is one of the strangest animals that ever lived. Called a therizinosaur, this dinosaur had three-foot long claws, a funny little pot belly, a long neck, but a relatively short tail. Its stumpy legs ended in claws that may have been webbed. This creature was so strange that the first palaeontologists to find it were sure they’d found the skeletons of several dinosaurs jumbled together. They were at times considered to be ornithomimids, sauropods, and even a turtle. One of its early specimens was dubbed enigmasaurus. Eventually, it was pieced together correctly and discovered to be a large theropod that likely lived by pruning the limbs and leaves from low-lying vegetation, and could have been a marsh or lowland dweller. In fact, it is an evolutionary analogue to another of the strangest animals ever discovered, and one of the strangest mammals around today, the sloths. The giant ground sloths of the Eocene Age were remarkably similar in structure to the therizines, with long necks, squat legs, pot bellies and massive claws.