It is narrated from Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) as a marfu' report (according to the narrator's view, Ikrimah narrated it as marfu'): The Messenger of Allah (peace and blessings be upon him) said: "Whoever leaves snakes alone for fear of their pursuit is not one of us."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 11751