Sa'id bin Jubayr narrates from Sayyiduna Ibn Abbas (may Allah be pleased with them both) that Sayyiduna Sa'b bin Jaththamah (may Allah be pleased with him) gave the Messenger of Allah (peace and blessings be upon him) a wild donkey as a gift while he was in the state of ihram, and he returned it.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 9933