Volume 7, Book 66, Number 382:
Narrated Abu Huraira:
The Prophet said, “Neither Fara’ nor ‘Atira (is permissible):” Al-Fara’ nor ‘Atira (is permissible):” Al-
Fara’ was the first offspring (of camels or sheep) which the pagans used to offer (as a sacrifice) to
their idols. And Al-‘Atira was (a sheep which was to be slaughtered) during the month of Rajab.