'Claws' in the Bible

The decree was fulfilled against Nebuchadnezzar immediately. He was driven away from people to eat grass like cattle, and his body was drenched with dew from the sky, until his hair grew like eagles' feathers and his nails like birds' claws.

"I wanted to learn the precise significance of the fourth animal that was different from all the others, extremely awe-inspiring, with iron teeth and bronze claws, and that had devoured and crushed things, trampling under its feet whatever remained.