حَدَّثَنَا مُحَمَّدُ بْنُ بَكْرٍ أَخْبَرَنَا ابْنُ جُرَيْجٍ أَخْبَرَنِي صَالِحُ بْنُ كَيْسَانَ عَنْ نَافِعٍ عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ أَنَّ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ أَهَلَّ حِينَ اسْتَوَتْ بِهِ رَاحِلَتُهُ قَائِمَةً
مسند امام احمد بن حنبل · Hadith 4935
It was narrated from Ibn Umar that the Prophet (PBUH) started to recite the Talbiyah (after entering ihram) when his mount stood up with him.
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020