That evening quail came and covered the camp, and in the morning there was a layer of dew around the camp.
13. And it came to pass. We shall afterwards see, that, when from weariness of the manna they began to desire meat, quails were again given them; but, while they were yet in their mouths, a terrible punishment was inflicted upon their gluttony.
Now they begin to be provided for by the immediate hand of God. I. He makes them a feast, at night, of delicate fowl, feathered fowl (Psa 78:27), therefore not locusts, as some think; quails, or pheasants, or some wild fowl, came up, and covered the camp, so tame that they might take up as many of them as they pleased.
Commenting on Exodus 16:13-21
And it came to pass, that at even the quails came up,.... From the coasts of Egypt, from the Red sea, over which they flew; and being evening, and weary with flying so long, lighted and settled where the Israelites encamped.