TT #152 · Parshas Shemini · Aliyah 6 · Passuk 24
Chabad.org — Vayikra Chapter 11 with Rashi
English: And the following shall make you impure—whoever touches their carcass shall be impure until evening.
Sifra (Toras Kohanim), Shemini.
Sefaria — Sifra, Shemini, Section 2
וּלְאֵלֶּה תִּטַּמָּאוּ. יָכוֹל לְכָל הָאָמוּר בָּעִנְיָן? תַּלְמוּד לוֹמַר (פּ׳ כ״ו) לְכָל הַבְּהֵמָה.
Textual limitation — The reference to “these” is limited by the later verse to the animals specifically included in the carcass-impurity rules.
The opening phrase is read in context as referring to the impure land animals specified below.