Genesis 15:9-10
Genesis 15:9-10 AMP
So God said to him, “Bring Me a three-year-old heifer, a three-year-old female goat, a three-year-old ram, a turtledove, and a young pigeon.” So Abram brought all these to Him and cut them down the middle, and laid each half opposite the other; but he did not cut the birds.