'Claws' in the Bible

Immediately the word concerning Nebuchadnezzar was fulfilled; and he was driven away from mankind and began eating grass like cattle, and his body was drenched with the dew of heaven until his hair had grown like eagles’ feathers and his nails like birds’ claws.

“Then I desired to know the exact meaning of the fourth beast, which was different from all the others, exceedingly dreadful, with its teeth of iron and its claws of bronze, and which devoured, crushed and trampled down the remainder with its feet,