Genesis 7:6

3 Also of the birds of the sky, seven and seven, male and female, to keep seed alive on the surface of all the earth.

4 In seven days, I will cause it to rain on the earth for forty days and forty nights. Every living thing that I have made, I will destroy from the surface of the ground."

5 Noah did everything that Yahweh commanded him.

6 Noah was six hundred years old when the flood of waters came on the earth.

7 Noah went into the ark with his sons, his wife, and his sons` wives, because of the waters of the flood.

8 Clean animals, animals that are not clean, birds, and everything that creeps on the ground

9 went by pairs to Noah into the ark, male and female, as God commanded Noah.