Sahih Muslim
The Book of Pilgrimage (Kitab Al-Hajj)
Book Number: 007 / Hadith Number: 2727
Zaid b. Jubair reported: A person asked Ibn 'Umar which beast a Mubrim could kill, whereupon he said: One of the wives of Allab's Apostle (may peace be upon him) told me: He (the Holy Prophet) commanded to kill voracious dcg, rat, scorpion, kite, crow, and snake (and this is allowed) likewise in prayer.