TT #108 · Parshas Shemini · Aliyah 5 · Passuk 8
Chabad.org — Vayikra Chapter 11 with Rashi
English: You shall not eat of their flesh, and you shall not touch their carcasses; they are impure for you.
Sifra (Toras Kohanim), Shemini, Chapter 3.
Sefaria — Sifra, Shemini, Chapter 3
מִבְּשָׂרָם. מִבְּשָׂרָם וְלֹא מִן הָעֲצָמוֹת וְלֹא מִן הַגִּידִים וְלֹא מִן הַטְּלָפַיִם שֶׁלָּהֶם.
Textual limitation — “Their flesh” limits the eating prohibition to flesh rather than bones, sinews, and hooves.
The wording מבשרם limits the prohibition to flesh and excludes bones, sinews, and hooves from the specific Torah prohibition of eating their flesh.