It wasnarrated that Sa'eed bin Yasar said:
"I was with Ibn 'Umar andI lagged behind and prayed Witr. He said: 'What kept you?' Isaid: 'Iwas praying Witr.' He said: 'Do you not have the bestof examples inthe Messenger of Allah (ﷺ)?' I said: 'Ofcourse.' He said: 'TheMessenger of Allah (ﷺ) used to pray Witrwhile riding his camel.'" (ID)
English reference (ID): Vol. 1, Book 5, Hadith 1200 (ID)
Arabic reference (ID): Book 5, Hadith 1256 (ID)