Targum Onkelos: And the Lord said, Let the earth produce the living animal after its kind, cattle, and reptile, and beast of the earth, according to its kind;‑and it was so.
Rashi: Let the earth bring forth: That is what I explained [verse 14] that everything was created on the first [day], and they required only to be brought forth. — [from Tanchuma Buber, Bereishith 1]
living creatures: which have life. (See above, verse 20.)
and creeping things: These are the creeping things, which are low and crawl upon the earth and appear as if they are dragging along, because their movement is not discernible. Every expression of רֶמֶשׁ or שֶׁרֶץ [is translated] in our language [Old French] as conmovres , crawling creatures.
Rambam: God thoughtfully willed that, from the power inherent in the earth, beings which have souls and which move continuously should pass from potentiality into existence, each according to its kind — herbivorous animals, animals which travel using their whole bodies, and carnivorous animals – each according to its kind; and it is so forever.
Ibn Ezra: God said effortlessly, “Let the earth use its inherent power to bring forth living beings composed of elemental earth, water, air, and fire — including humanity — according to their kinds: domesticated animals used for riding and food, small animals that go upon the earth, and animals that inhabit places desolate of human habitation.” When it was so,