It is narrated from Sayyiduna Abu Tha'labah al-Khushani (may Allah be pleased with him) that on the day of Khaybar the Messenger of Allah (peace and blessings be upon him) forbade the meat of domestic donkeys, having intercourse with pregnant women, and every predator with fangs.
Hadith Referenceالمعجم الكبير للطبراني / باب اللام ألف / 18780