Genesis 2:18

It is not good that man — This man, should be alone — Though there was an upper world of angels, and a lower world of brutes, yet there being none of the same rank of beings with himself, he might be truly said to be alone. And every beast of the field, and every fowl of the air God brought to Adam — Either by the ministry of angels, or by a special instinct that he might name them, and so might give a proof of his knowledge, the names he gave them being expressive of their inmost natures.