Leviticus 1:16
And he is to remove the crop with its contents and throw it to the east side of the altar, in the place for ashes.
Berean Standard Bible
And he shall pluck away his crop with his feathers, and cast it beside the altar on the east part, by the place of the ashes:
and he shall take away its crop and its feathers, and cast it beside the altar on the east part, in the place of the ashes.