Cassowaries have three toes on each foot. Each has a sharp claw. The middle toe has a claw like a dagger, which is long. Because a cassowary can kick, this claw is very dangerous and can hurt or kill enemies. Scientists believe they can run up to . They can jump up to and they can swim. There have been reported attacks on people and animals by cassowaries. In April 1926, a cassowary killed a 16-year-old boy near Mossman, Queensland.