For the source text click/tap here: Chullin 63
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As we have learned, unlike other animals, the Torah does not offer clear indicators that allow us to recognize which birds are kosher, rather it offers a list of 24 non-kosher birds.
On our daf Rabbi suggests that the reason for this is because there are many more kosher birds in the world than non-kosher birds; it was therefore simpler to list the few birds that are not kosher, leaving us to understand that all the rest could be used in the kosher kitchen.
The challenge, of course is whether we can accurately identify all of the birds that appear in the Biblical list.