أَخْبَرَنَا قُتَيْبَةُ، عَنْ مَالِكٍ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏"‏ خَمْسٌ لَيْسَ عَلَى الْمُحْرِمِ فِي قَتْلِهِنَّ جُنَاحٌ الْغُرَابُ وَالْحِدَأَةُ وَالْعَقْرَبُ وَالْفَأْرَةُ وَالْكَلْبُ الْعَقُورُ ‏.‏

It was narrated from Ibn Umar that the Messenger of Allah said: "There are five (animals) for which there is no sin on the Muhrim if he kills them: Crows, kites, scorpions, mice and vicious dogs." Translation Not Available

Book Ref: Sunan An Nisai Book 24 Hadith 2828
Web Ref:  Sunan An Nisai Vol 3 Book 24 Hadith 2831