It was narrated that Ibn ‘Umar said: “A man said: ‘Messenger of Allah صلی اللہ علیہ وآلہ وسلم, what animals may we kill when we are in Lfzram?’ He said: ‘There are five for which there is no sin in killing them: Kites, crows, mice, scorpions and vicious dogs.” (Sahih)