The Book of Pilgrimage (Kitab Al-Hajj)
Muslim :: Book 7 : Hadith 2725
Hafsa, the wife of Allah's Apostle (may peace be upon him), reported Allah's Messenger (may peace be upon him) having said this: There are five beasts, all of them are vicious and harmful and there is no tin for one who kills them (and these are): scorpion, crow. kite, rat and voracious dog.