Genesis 7:8-10

Young's Literal Translation

⁸ of the clean beasts and of the beasts that [are] not clean, and of the fowl, and of every thing that is creeping upon the ground,

⁹ two by two they have come in unto Noah, unto the ark, a male and a female, as God hath commanded Noah.

¹⁰ And it cometh to pass, after the seventh of the days, that waters of the deluge have been on the earth.