Yahya related to me from Malik that Yahya ibn Said said, "I saw Anas ibn Malik on a journey praying on a donkey facing away from the qibla. He did the raka and the sajda by motioning with his head, without putting his face on anything."
Muwatta Malik Book 9, Hadith 31
← Previous Hadith Yahya related to me from Malik from Abdullah ibn Dinar from Abdullah ibn Umar that the Messenger of Allah, may Allah bless him and grant him peace, used to pray on his mount while travelling, whichever way it was facing. Abdullah ibn Dinar said, "Abdullah ibn Umar would also do that."

Muwatta Malik Book 9, Hadith 30 Next Hadith → Yahya related to me from Malik from Musa ibn Maysara from Abu Murra, the mawla of Aqil ibn Abi Talib, that Umm Hani bint Abi Talib told him that in the year of the conquest the Messenger of Allah, may Allah bless him and grant him peace, prayed eight rakas, covering himself with one garment.

Muwatta Malik Book 9, Hadith 32