'Claws' in the Bible

At that moment the sentence against Nebuchadnezzar was executed. He was driven away from people. He ate 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.

“Then I wanted to know the true meaning of the fourth beast, the one different from all the others, extremely terrifying, with iron teeth and bronze claws, devouring, crushing, and trampling with its feet whatever was left.