TT #142 · Parshas Shemini · Aliyah 6 · Passuk 18
Chabad.org — Vayikra Chapter 11 with Rashi
English: the white owl, the desert owl, the ibis;
Chullin 63a.
E-Daf.com — Chullin 63a (Tsurras Hadaf)
וְאֶת הָרָחָם. רָחָם – זוֹ שַׁרְקְרַק, וְאָמַר רַבִּי יוֹחָנָן, לָמָּה נִקְרָא שְׁמוֹ רָחָם? כֵּיוָן שֶׁבָּא רָחָם בָּא רַחֲמִים לָעוֹלָם.
Name and consequence — The bird called racham is identified, and its name is associated with the idea that its appearance heralds mercy in the world.
The rechem is identified as the shrakrāk, with a homiletic explanation of its name.