Five are the vicious beasts which should be killed even in the state of Ihram: scorpion, rat, kite, crow and voracious dog.
قَالَ رَسُولُ اللَّهِ ﷺ خَمْسٌ فَوَاسِقُ يُقْتَلْنَ فِي الْحَرَمِ الْعَقْرَبُ وَالْفَارَةُ وَالْحُدَيَّا وَالْغُرَابُ وَالْكَلْبُ الْعَقُورُ