Study Chullin folio 63B with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
one might ask: Since it is assumed that the list in Deuteronomy comes to add to the list in Leviticus, what is different here, in Leviticus, that it is written: “Da’a,” and what is different here, in Deuteronomy, that it is written: “Ra’a,” and da’a is not written? Rather, conclude from the prese
The Talmud objects: But still, there are 25 birds, not 24. Abaye said: Just as the ra’a and da’a are one species, so too, the ayya and the dayya, the latter of which is mentioned only in Deuteronomy, are one species. As, if it enters your mind that they are two different species, one might ask: Sin
The Talmud asks: And now that the ayya and dayya are one species, why did the Torah need to write both ayya and dayya in Deuteronomy? The Talmud responds: As it is taught in a baraita that R' Yehuda HaNasi says: Given that the two are one species, I will read ayya and know that it is forbidden. Why
The Talmud raises an objection from a baraita: Why is the list of non-kosher animals in Leviticus repeated? It is due to the necessity of adding the shesua (Deuteronomy 14:7), which was not listed in Leviticus. And the list of non-kosher birds is repeated due to the ra’a. What, is it not understood
And the opinion that the da’a and ra’a are one species, and that the ayya and dayya are another species, differs from the opinion of R' Abbahu, as R' Abbahu says: The ra’a is the ayya. And why is it called the ra’a? Since it sees [ro’ah] most vividly. And so the verse states: “That path no bird of