Weird-looking guy here, huh? I'll say! Olorotitan arharensis is quite the odd hadrosaur (duckbilled dinosaur); discovered in the Amur region of Russia, and described in 2003 by Pascal Godefroit (et al.). It is the most complete lambeosaurine (crested hadrosaur) known at present from outside of North America. Some of its more famous relatives include Parasaurolophus, Corythosaurus, and Lambeosaurus. Its most distinguishing feature is its crest, which takes on a shape unlike that of any other lambeosaur, and its strange appearance has caused scientists to wonder just how diverse the hadrosaurs really were.