Every morning each one gathered as much as was needed, and when the sun grew hot, it melted away.
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 on the sixth day,.... Of the week, or from the first raining of the manna, which was the same: they gathered twice as much bread; as they had used to do on other days, a greater quantity falling, and which was more easily taken up: two omers for one man; or, "instead of one" (t) of one omer; so...
Exo 16:19-21 In the second place, Moses commanded them, that no one was to leave any of what had been gathered till the next morning. Some of them disobeyed, but what was left went into worms (תּולעים ירם literally rose into worms) and stank. Israel was to take no care for the morrow (Mat 6:34), but to enjoy the daily bread received from God in obedience to the giver.
Commenting on Exodus 16:19-21