TT #140 · 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 הַתִּנְשֶׁמֶת. תִּנְשֶׁמֶת – זוֹ בָּאוֹת שֶׁבָּעוֹפוֹת וְזוֹ הִיא קִפּוֹף.
Terminological identification — The traditional identification distinguishes the bird-name tinshémet among the forbidden birds.
The bird called tinshames is identified with the species described by the sages as the kipof.