Why does the Torah list the Tahor animals, but the Tamei birds?
Rashi: Because there are more Tamei species of animals than Tahor ones, and more Tahor species of birds than Tamei ones, and the Torah always lists the minority. 1
For the sake of brevity. And we learn from here that a Rebbe should teach his Talmidim in a concise manner.
Seeing as in Shemini, the Torah taught the Simanim of Tahor animals, but did not list the species of Tahor animal because we can extrapolate them from the Simanim -why does it list them here?
B?choros, 6b: It lists the animals because of the Shesu'ah 2 and the birds because of the Ra'ah (neither of which are listed in Shemini).
Why does the Torah include the seven Chayos in the list of Beheimos?
What are the seven Tahor Chayos?