It is narrated from Sayyiduna Muhammad bin Safwan (may Allah be pleased with him) that he hunted two rabbits and slaughtered them with a sharp stone, then he asked the Messenger of Allah (peace and blessings be upon him), and he (peace and blessings be upon him) ordered him to eat them.
Hadith Referenceالمعجم الكبير للطبراني / باب الميم / 16576