English: “Every clean bird” — to include the bird that is sent away among the birds of a metzora.
On the daf / in context: The language “every clean bird you may eat” indicates that even the live bird released in the purification of a metzora remains permitted for ordinary consumption.
Type of Learning
Derash on the verse (Chullin) — the sent-away bird of the metzora is permitted.
What Is Learned
The bird that is sent away in the purification ritual of a metzora may be eaten; it is not forbidden.