Yahya related to me from Malik from Hisham ibn Urwa from hisfather that the Messenger of Allah, may Allah bless him and grant himpeace, used to pray two rakas in the mosque at Dhu'l-Hulayfa, andthen, when he had got on to his camel and it had stood up, he wouldbegin doing talbiya.
USC-MSA web (English) reference: Book 20, Hadith 29
Arabic reference: Book 20, Hadith 737