Why The Cassowary Is The World's Most Dangerous Bird (Pics & Video)

The anatomy that makes them so dangerous lies lower down. Muscular legs that can pack a powerful kick terminate with three claw-tipped toes. The claw on the inner toe is particularly formidable, reaching lengths of 12 cm (5 in)! If a cassowary feels threatened, it will leap up and strike out with these dagger-like weapons, inflicting potentially lethal wounds to internal organs and causing severe bleeding.