Deuteronômio 14:12 Comentário: Rashi, Chizkuni, Da'at Zekenim & Tur HaArokh

וזה אשר לא תאכלו מהם BUT THESE ARE THEY WHICH YOU MAY NOT EAT — This again is intended to forbid as food the bird that is slaughtered in the case of a leper (Sifrei Devarim 103:1-2; Kiddushin 57a).

וזה אשר לא תאכלו, “and these are the ones of which you may not eat;” Rashi explains that the word זה is meant to include that the prohibition includes if these birds had been of the permitted kind, but were used in the procedure prescribed for the sin offering of a leper. They must not be eaten even though slaughtered in the appropriate manner. (Compare Leviticus 14,4)

הנשר, contrary to common perception, this bird is not the one known to us as “eagle,” as it does not have a claw at the rear of its leg, one of the marks of identification for birds of prey. Forbidden birds listed are not supposed to possess any marks that the pure birds have in common. This is why the Talmud in tractate Chulin, folio 61.defines ythis bid as not possessing any of the marks that would suggest that it is a pure bird. There us a bird with by a similar name in Arabic [According to Mendelsohn, eagles in his time did not possess this extra claw at the rear of its leg. [Compare D. Hoffman in his discussion on the Book of Leviticus. Ed.]