Deuteronomy 14:21

18 The stork and the heron and birds of that sort, and the hoopoe and the bat.

19 Every winged thing which goes flat on the earth is unclean to you and may not be used as food.

20 But all clean birds you may take.

21 You may not have as food anything which has come to a natural death; the man from another country who is living with you may take it for food, or you may get a price for it from one of another nation; for you are a holy people to the Lord your God. The young goat is not to be cooked in its mother's milk.

22 Put on one side a tenth of all the increase of your seed, produced year by year.

23 And make a feast before the Lord your God, in the place which is to be marked out, where his name will be for ever, of the tenth part of your grain and your wine and your oil, and the first births of your herds and your flocks; so that you may have the fear of the Lord your God in your hearts at all times.

24 And if the way is so long that you are not able to take these things to the place marked out by the Lord your God for his name, when he has given you his blessing, because it is far away from you;