Genesis 7:3-5

Darby Translation

³ Also of the fowl of the heavens by sevens, male and female; to keep seed alive on the face of all the earth.

⁴ For in yet seven days I will cause it to rain on the earth forty days and forty nights; and every living being which I have made will I destroy from the ground.

⁵ And Noah did according to all that Jehovah had commanded him.