Five are the harmful things which should be killed in the state of Ihram or otherwise: snake, speckled crow. rat. voracious dog, and kite.
عَنِ النَّبِيِّ ﷺ أَنَّهُ قَالَ خَمْسٌ فَوَاسِقُ يُقْتَلْنَ فِي الْحِلِّ وَالْحَرَمِ الْحَيَّةُ وَالْغُرَابُ الأَبْقَعُ وَالْفَارَةُ وَالْكَلْبُ الْعَقُورُ وَالْحُدَيَّا