Genesis 8:8-10

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

9but the dove found no rest for the sole of her foot, and she returned unto him to the ark, for the waters were on the face of the whole earth: and he put forth his hand, and took her, and brought her in unto him into the ark.

10And he stayed yet other seven days; and again he sent forth the dove out of the ark;