Anzu is characterized by a toothless beak, a prominent crest, long arms ending in slender, relatively straight claws, long powerful legs with slender toes, and a relatively short tail. Anzu measured about 3.5–3.75 metres (11.5–12.3 ft) long, up to 1.5 metres (4.9 ft) tall at the hips and 200–300 kilograms (440–660 lb) in body mass, and was among the largest North American oviraptorosaurs. Anzu is a pacifist species and will only kick or bite back when cornered. They are very intelligent.