It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that once the Prophet (peace and blessings be upon him) said: "There is no harm in killing five kinds of animals: the scorpion, the rat, the kite, the crow, and the rabid dog."
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 5476
Hadith Gradingحکم دارالسلام:إسناده صحيح ، م :1199.