As that article, is there some old copy out there that is different?
12 Yea, flesh also of beasts and of the fowls of the air, I, the Lord, have ordained for the use of man with thanksgiving; nevertheless they are to be used sparingly;
13 And it is pleasing unto me that they should not be used, only in times of winter, or of cold, or famine.
It clearly says that nest is to be used sparingly and NOT just just in Winter