the Prophet said "There are five kinds of animals for which there is no sin on the one who kills them when he is in a state of Ihram: Kites, mice, vicious dogs, scorpions and crows."
Sunan an-Nasa'i Book 24, Hadith 215
← Previous Hadith a woman enter upon Aishah, and in her hand was an iron-footed stick. She said: "What is this?" she (Aishah) Said: "It is for these geckos, because the Prophet of Allah told us, that there was nothing that did not try to extinguish the fire for Ihram except for this animals, so he told us to kill it. And he forbade us to kill harmless snakes, except for the snake with two lines on its back, and the snake with a short tail, for the snatch away the eyesight and cause tat which is in women's wombs to be miscarried.

Sunan an-Nasa'i Book 24, Hadith 214 Next Hadith → "A man said: "O Messenger of Allah, what animals may we kill when we are in Ihram?' He said: "there are five for which there is no sin in killing them: Kites, crows, mice, scorpions and vicious dogs.'"

Sunan an-Nasa'i Book 24, Hadith 216