Reference for Menachot 11:12
א"ל רב אחא בריה דרבא לרב אשי טרפה שהותרה מכללה מאי היא אילימא מליקה דעולת העוף לגבוה בעל מום נמי בעופות אשתרויי אשתרי תמות וזכרות בבהמה ואין תמות וזכרות בעופות
Should you say that it refers to the rite of nipping off the head of the burnt-offering of a bird, [in which case the bird, although rendered trefah thereby,] is nevertheless permitted [to be offered] to the Most High; but this is also the case with physical blemishes, for a bird with a physical blemish is certainly permitted to be offered to the Most High, [for it has been said,]<span class="x" onmousemove="('comment',' V. Kid. 24b.');"><sup>12</sup></span> The unblemished state and the male sex are prerequisites only to sacrifices of cattle but not of birds! You would say then that it refers to the rite of nipping off the head of a sin-offering of a bird, [in which case the bird is] permitted to eaten by] priests; but surely the priests receive it from the table of the Most High!<span class="x" onmousemove="('comment',' And with regard to the Most High it has been shown that there is also an exception to the general prohibition of physical blemishes in the case of birds.');"><sup>13</sup></span>