Sforno on Leviticus 17:13/ספורנו על ויקרא י״ז:י״ג

1אשר יצוד ציד. Seeing that in the main, these free roaming beasts’ habitat is in desolate regions of the earth, areas in which the kind of demons we mentioned are at home, (compare Isaiah 13,21 “there ostriches shall make their home and there shall satyrs (demons) dance.”) the Torah therefore forbids to leave the blood of these beasts exposed and ordered us to cover it with earth in order to forestall any chance that this blood be used to feed the demons. It goes on to say: