‏الحج : Hadeeth No:2721 A'isha reported Allaah's Mdssenger (sallAllaahu alayhi wa sallam) having said this: Five are the vicious and harmful things which should be killed even within the precincts of Haram: rat, scorpion, crow. kite and voracious dog....

‏الحج : Hadeeth No:2728 Ibn 'Umar (Allaah be pleased with them) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: Five are the beasts for killing which there is no sin for the Muhrim: crow, kite, scorpiou, rat and voracious dog....