Genesis 7:5

2 You are to take with you seven pairs of every kind of clean animal, a male and its mate; a pair of every kind of unclean animal, a male and its mate;

3 and seven pairs of every kind of bird of the air, male and female, to preserve their offspring on the face of all the earth.

4 For seven days from now I will send rain on the earth for forty days and forty nights, and I will wipe from the face of the earth every living thing I have made.”

5 And Noah did all that the LORD had commanded him.

6 Now Noah was 600 years old when the floodwaters came upon the earth.

7 And Noah and his wife, with his sons and their wives, entered the ark to escape the waters of the flood.

8 The clean and unclean animals, the birds, and everything that crawls along the ground