Birds birds birds. Or, aves aves aves as the Roman frescoists who painted these might have said. It’s too easy to think that realistic, naturalistic painting started with the Flemish in the 1400s, later perfected by the Dutch in the 1600s, but these are 2,000 years old & fresh as a daisy

I have an idea what the fourth one might be (Tetraogallus caspius, caspian snowcock, urkeklik)