Genesis 8:7 KJV

And he sent forth a raven, which went forth to and fro, until the waters were dried up from off the earth.
Genesis 8:7, King James Version

In context

6 And it came to pass at the end of forty days, that Noah opened the window of the ark which he had made:

7 And he sent forth a raven, which went forth to and fro, until the waters were dried up from off the earth.

8 Also he sent forth a dove from him, to see if the waters were abated from off the face of the ground;