Then the priest shall bring it to the altar, twist off its head, and burn it on the altar; its blood should be drained out on the side of the altar.
Here we have the laws concerning the burnt-offerings, which were of the flock or of the fowls. Those of the middle rank, that could not well afford to offer a bullock, would bring a sheep or a goat; and those that were not able to do that should be accepted of God if they brought a turtle-dove or a pigeon.
Commenting on Leviticus 1:10-17
And the priest shall bring it unto the altar,.... The southeast horn of it; near which was the place of the ashes, into which the crop and its feathers were cast (n): and wring off his head; by twisting it back as it should seem; the word used is only to be found here, and in Lev 5:8 the Jews say, it signifies to cut...
And the priest shall bring it unto the altar, and wring off his head, and burn [it] on the altar; and the blood thereof shall be wrung out at the side of the altar: (i) The Hebrew word signifies to pinch off with the nail.