What animal has been known to kill man with slashing blows of its feet which possess long dagger like nails?

The animal known to kill humans with slashing blows from its feet, which have long dagger-like nails, is the cassowary. This large, flightless bird is native to the tropical forests of New Guinea, nearby islands, and northern Australia. Cassowaries are known for their powerful legs and can deliver lethal kicks if they feel threatened. Despite their generally shy nature, they can be extremely dangerous when provoked.