4.
In the first, fowls, fish, and aquatic animals form one act of creation—land animals and reptiles another; the former being created on the fifth day, the latter on the sixth (i, 21–25).
In the second, fowls and land animals are created at the same time—form one creation act (ii, 19).
5.
In the first, fowls are created out of the water. “And God said, Let the waters bring forth abundantly the moving creature that hath life, and fowl that may fly above the earth” (i, 20).
In the second, fowls are created out of the ground. “Out of the ground the Lord God formed every beast of the field and every fowl of the air” (ii, 19).