Sunan Abi Dawud 1761
سنن أبي داود#1761Sahihحَدَّثَنَا أَحْمَدُ بْنُ حَنْبَلٍ، حَدَّثَنَا يَحْيَى بْنُ سَعِيدٍ، عَنِ ابْنِ جُرَيْجٍ، أَخْبَرَنِي أَبُو الزُّبَيْرِ، سَأَلْتُ جَابِرَ بْنَ عَبْدِ اللَّهِ عَنْ رُكُوبِ الْهَدْىِ، فَقَالَ سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَقُولُ " ارْكَبْهَا بِالْمَعْرُوفِ إِذَا أُلْجِئْتَ إِلَيْهَا حَتَّى تَجِدَ ظَهْرًا " .
Abu al-Zubair said:I asked Jabir bin `Abdallah about riding on the sacrificial camels. He said I heard The Messenger of Allah (SWAS) saying ride on them gently when you have nothing else till you find a mount
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: 11:41