Muwatta Malik 355
موطأ مالك#355SahihThese are the words of a Companion, not of the Prophet ﷺ. The chain is graded on its own terms.
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ يَحْيَى بْنِ سَعِيدٍ، قَالَ رَأَيْتُ أَنَسَ بْنَ مَالِكٍ فِي السَّفَرِ وَهُوَ يُصَلِّي عَلَى حِمَارٍ وَهُوَ مُتَوَجِّهٌ إِلَى غَيْرِ الْقِبْلَةِ يَرْكَعُ وَيَسْجُدُ إِيمَاءً مِنْ غَيْرِ أَنْ يَضَعَ وَجْهَهُ عَلَى شَىْءٍ .
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
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 9:30